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Shaded-relief map of Windsor Locks, Connecticut: rivers, roads, the city limits and where the water drains.
CONNECTICUT · CAPITOL PLANNING REGION

Windsor Locks

12,643 people, 50 ft above sea level in Capitol Planning Region.

50 ftElevation, city center
12,643People, 2024 estimate
9 sq miLand area
Clear 42°
Clear now Dew point 29° · NW 9 mph · high 40°
City of Windsor Locks River Interstate 2 miles
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The Windsor Locks plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.

MILE1
TODAY

Today in Windsor Locks

NWS forecast and National Blend of Models · updated 5:00 PM EST
RIGHT NOW Bradley International Airport (KBDL) · 4:51 PM
Clear
42° Clear Feels like 37° · high of 40° near 5 PM
WindNW 9 mphno gusts
Humidity59%rising to 92% by morning
Pressure29.76 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 29° · Dryabout the same for three days
DryComfortableStickyMuggyOppressive
NEXT RAIN
Clear
Not this weeknone in the forecast for a week
LIKELY AMOUNT—nothing expected
LAST RAINNov. 120.31 in · 2 dry days
ALERTS & OUTLOOKS
No watches or warnings for Capitol Planning Region
NWS Norton and the Storm Prediction Center · checked 5:45 PM
SUN & MOON
↑ 6:39 AM4:31 PM ↓
9 h 52 m of daylight, 2 minutes less than yesterday
Waxing crescent, 26% lit. Next full moon: Nov. 24.
AIR & POLLEN
19
GOODAir quality index · ozone
Tomorrow: 22, good. No pollen source yet.

The next three days, hour by hour

Sky: clear, cloudy, night Rain likely National Blend of Models
SATURDAY, NOV. 14
SUNDAY, NOV. 15
MONDAY, NOV. 16
TUESDAY, NOV. 17
5p
8p
11p
2a
5a
8a
11a
2p
5p
8p
11p
2a
5a
8a
11a
2p
5p
8p
11p
2a
5a
8a
11a
2p
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy night
mostly clear night
clear day
mostly sunny
partly cloudy day
mostly clear night
mostly clear night
mostly clear night
mostly clear night
partly cloudy night
partly cloudy day
partly cloudy day
partly cloudy day
mostly clear night
mostly clear night
clear night
clear night
mostly clear night
mostly sunny
mostly sunny
mostly sunny
TEMPERATURE °F
40°
31°
47°
30°
48°
29°
CHANCE OF RAIN
50%
WIND, MPH
8
8
7
8
8
12
14
14
9
8
7
7
6
7
9
9
8
5
1
0
1
3
7
7
HOW IT FEELS · DEW POINT
Dry: dew points 25 to 35°

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 52° / 33°
SAT Nov. 14 Partly cloudy Partly cloudy
40° 29°
10% rain — WNW 8 A
SUN Nov. 15 Mostly sunny; warmer Mostly sunny; warmer
50° 28°
0% rain — NW 13 A
MON Nov. 16 Partly cloudy Partly cloudy
52° 27°
0% rain — NW 8 A
TUE Nov. 17 Mostly sunny Mostly sunny
57° 34°
0% rain — W 5 A
WED Nov. 18 Mostly sunny Mostly sunny
61° 34°
0% rain — W 5 A
THU Nov. 19 Mostly sunny Mostly sunny
63° 35°
0% rain — SW 5 A
FRI Nov. 20 Mostly sunny Mostly sunny
63° 37°
0% rain — WNW 5 B
How sure are we? AModels agree: highs within 4° BSome spread: within 8° CWide spread: check back
Range from the National Blend of Models percentiles · graded on Forecast Scores
AIR MAIL

Where today’s air came from

The air arriving over Windsor Locks about 5,000 feet above the ground was over the Canadian Prairies three days ago, and over the Great Lakes a day ago, about 2,240 miles back along its path. Near the ground the air came from Canada; at 10,000 feet, from British Columbia. It feels dry all the same. Traced back 72 hours through NOAA’s hourly RAP analyses and the GFS beyond them, nine paths at each of three heights.

THIS WEEK IN 1993 Nov. 15, 1993

The hottest this week has been

78° on Nov. 15, 1993, the hottest reading for this week of the year since 1905. Next is 74° in 1909.

74°
78°
19091993
Source: NOAA RCC-ACIS, the Hartford Area threaded record since 1905.
MILE2
THE GROUND

What Windsor Locks stands on

Windsor Locks’s center stands about 50 ft above sea level. Within three miles the land runs from 0 ft to 190 ft, a difference of 190 ft: gently rolling country. The highest named summit within 15 miles is Washington Hill, about 1,230 ft, 15 miles west.

Under the town center the state geologic map shows Portland Arkose (arkose, siltstone), from the Early Jurassic, 175 to 202 million years old.

The section below crosses 8 rock units mapped at the surface.

Windsor Locks, cut in half from west to east

A section west to east, 24 miles through the town center
0 ft250 ft500 ft750 ft WINDSOR LOCKS50 ftEast Granby470 ftCrystal Lake860 ft ← WCrystal Lake · E →

Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 23×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.

Rock at the surface along the line

Portland Arkose

Arkose, siltstone. Age: Early Jurassic, 175 to 202 million years old. About 14 mi of the line.

New Haven Arkose

Arkose. Age: Late Triassic to Early Jurassic, 175 to 237 million years old. About 4 mi of the line.

Glastonbury Gneiss

Gneiss. Age: Middle Ordovician, 459 to 471 million years old. About 2 mi of the line.

Buttress Dolerite

Basalt, gabbro. Age: Middle Jurassic, 164 to 175 million years old. About 0.9 mi of the line.

Middletown Formation

Gneiss, granofels. Age: Middle Ordovician, 459 to 471 million years old. About 0.8 mi of the line.

East Berlin Formation

Siltstone, shale. Age: Early Jurassic, 175 to 202 million years old. About 0.7 mi of the line.

From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 2 smaller units along the line are not listed.

Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR; rock from the USGS State Geologic Map Compilation.

MILE3
THE WATER

Where Windsor Locks’s rain goes

A raindrop that lands in Windsor Locks reaches Long Island Sound and the Atlantic Ocean by way of Kettle Brook and the Connecticut: about 65 river miles.

THE WAY DOWN, TO SCALE
Windsor Locks≈ 65 mi · Long Island Sound and the Atlantic Ocean
FROM THE CENTER OF WINDSOR LOCKS ≈ 65 mi to Long Island Sound and the Atlantic Ocean Kettle Brook → Connecticut

Traced down the USGS NHDPlus V2.1 river network from the Census center point of Windsor Locks; river miles along the main stem, rounded.

MILE5
THE ALMANAC

Windsor Locks’s year

1991–2020 normals · records since 1905 · Hartford-Bradley International Airport, 3 mi west-northwest

Windsor Locks has a hot-summer humid continental climate. Summer afternoons average 85° in July; winter nights fall to about 19° in January. A normal year brings about 52 inches of snow; with the rain, that comes to about 47 inches of water.

35°19°39°21°47°28°60°38°72°48°80°58°85°64°83°62°76°54°64°42°51°33°41°25° JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 12 TODAY 47.1 in rain and snowmelt
Normal high to low, by month Record high to low, by day Rain by month Freezing
July, average85° / 64°high / low, the warmest month
January, average35° / 19°high / low, the coldest month
Rain and melted snow47.1 inwettest months: October and September
Snow a year51.7 insnowiest: February
Hottest on record103°FJuly 22, 2011
Coldest on record−26°FJanuary 22, 1961
Wettest day on record7.70 inAugust 19, 1955
Snowiest day on record24.0 inJanuary 12, 2011
90° days a year20very few reach 100°
Nights at or below 32°126and 28 days that stay below freezing
Climate typeHot-summer humid continentalKöppen Dfa

AROUND THE RING

1Freeze seasonfrom the first fall freeze, about Oct. 15, to the last in spring, about April 19 (median dates)
2Lows below freezingNov. 17 to March 30; normal lows fall below 32°
NOVEMBER 14 IN THE RECORD

On November 14 Windsor Locks normally reaches 52° and falls to 33°. The record high is 74°, in 1973; the record low 15°, in 2019. The most rain on this date, 1.87 in, fell in 1972.

MONTH BY MONTH
JanFebMarAprMayJunJulAugSepOctNovDec
Normal high35°39°47°60°72°80°85°83°76°64°51°41°
Normal low19°21°28°38°48°58°64°62°54°42°33°25°
Rain and melt, in3.283.133.813.883.794.284.174.214.394.523.514.08
Snow, inches14.214.89.41.10.00.00.00.00.00.71.410.1
Record high72° (2007)77° (2018)89° (1998)96° (2023)99° (2010)100° (1964)103° (2011)102° (2001)101° (1953)91° (1963)84° (2024)76° (1998)
Record low−26° (1961)−24° (1943)−6° (2003)9° (1970)28° (2008)37° (2020)44° (1962)36° (1965)30° (2000)17° (1978)1° (1989)−18° (1917)

Normals 1991–2020 and records since 1905 from the Hartford Area threaded record (Hartford-Bradley International Airport, 3 miles west-northwest, 120 ft higher). NOAA, through RCC-ACIS.

MILE7
ON THE NETWORK

Around Windsor Locks on the Forecast Network

Neighboring plates

Hartford CT · 11 MI 11 miles south Springfield MA · 14 MI 14 miles northeast Brookhaven NY · 76 MI 76 miles south Boston MA · 88 MI 88 miles east Hempstead NY · 102 MI 102 miles southwest New York NY · 110 MI 110 miles southwest
FORECASTCITY
Map of Windsor Locks, Connecticut. Explore the plate
CONNECTICUT · CAPITOL

Windsor Locks

12,643 people, 50 ft above sea level in Capitol Planning Region.

50 ftElevation
12,643People
9 sq miLand
Clear 42°
ClearDew point 29°
1

Today in Windsor Locks

NEXT 15 HOURS
Now partly cloudy night 40° 0%
8p partly cloudy night 37° 2%
11p partly cloudy night 35° 3%
2a mostly clear night 33° 1%
5a mostly clear night 32° 1%
8a mostly sunny 36° 1%
Clear
NEXT RAINNone this week
→
Sat10%
Partly cloudy Partly cloudy
29
40
A
Sun0%
Mostly sunny; warmer Mostly sunny; warmer
28
50
A
Mon0%
Partly cloudy Partly cloudy
27
52
A
Tue0%
Mostly sunny Mostly sunny
34
57
A
Wed0%
Mostly sunny Mostly sunny
34
61
A
Thu0%
Mostly sunny Mostly sunny
35
63
A
Fri0%
Mostly sunny Mostly sunny
37
63
B
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
THIS WEEK IN 1993 · NOV. 15, 1993

78°, the hottest this week of the year has been since 1905.

2

What Windsor Locks stands on

Windsor Locks’s center stands about 50 ft above sea level. Within three miles the land runs from 0 ft to 190 ft, a difference of 190 ft: gently rolling country. The highest named summit within 15 miles is Washington Hill, about 1,230 ft, 15 miles west.

Windsor Locks, west to east Windsor Locks50 ft ← WE → 24 miles through the town center; vertical exaggeration about 43×. Colors: rock at the surface.
Elevation, center50 ft
Within 3 miles0 to 190 ft
Lie of the landGently rolling (190 ft of relief)
High point nearbyWashington Hill, 1,230 ft, 15 mi west
Rock at the surfacePortland Arkose
Its ageEarly Jurassic, 175 to 202 million years old
5

Windsor Locks’s year

Windsor Locks has a hot-summer humid continental climate. Summer afternoons average 85° in July; winter nights fall to about 19° in January. A normal year brings about 52 inches of snow; with the rain, that comes to about 47 inches of water.

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 12 47.1 in
July, average85° / 64° · high / low, the warmest month
January, average35° / 19° · high / low, the coldest month
Rain and melted snow47.1 in · wettest months: October and September
Snow a year51.7 in · snowiest: February
Hottest on record103°F · July 22, 2011
Coldest on record−26°F · January 22, 1961
Wettest day on record7.70 in · August 19, 1955
Snowiest day on record24.0 in · January 12, 2011
90° days a year20 · very few reach 100°
Nights at or below 32°126 · and 28 days that stay below freezing
Climate typeHot-summer humid continental · Köppen Dfa
1Freeze season · from the first fall freeze, about Oct. 15, to the last in spring, about April 19 (median dates)
2Lows below freezing · Nov. 17 to March 30; normal lows fall below 32°
NOVEMBER 14 IN THE RECORD

On November 14 Windsor Locks normally reaches 52° and falls to 33°. The record high is 74°, in 1973; the record low 15°, in 2019. The most rain on this date, 1.87 in, fell in 1972.

Normals 1991–2020 and records since 1905 from the Hartford Area threaded record (Hartford-Bradley International Airport, 3 miles west-northwest, 120 ft higher). NOAA, through RCC-ACIS.
3

Where the rain goes

≈ 65 mito the AtlanticKettle Brook → Connecticut

A raindrop that lands in Windsor Locks reaches Long Island Sound and the Atlantic Ocean by way of Kettle Brook and the Connecticut: about 65 river miles.