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Shaded-relief map of Westerly, Rhode Island: rivers, roads, the city limits and where the water drains.
RHODE ISLAND · WASHINGTON COUNTY

Westerly

18,423 people, 50 ft above sea level in Washington County.

50 ftElevation, city center
18,423People, 2024 estimate
16 sq miLand area
Clear 40°
Clear now Dew point 29° · Calm · high 39°
City of Westerly River Interstate 2 miles
Explore the plate Order a print

The Westerly 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 Westerly

NWS forecast and National Blend of Models · updated 6:00 PM EST
RIGHT NOW Westerly State Airport (KWST) · 6:53 PM
Clear
40° Clear Feels like 40° · high of 39° near 7 PM
WindCalmno gusts
Humidity65%rising to 92% by morning
Pressure29.79 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 29° · Dry38° by Tuesday: more humid
DryComfortableStickyMuggyOppressive
NEXT RAIN
Clear
Not this weeknone in the forecast for a week
LIKELY AMOUNT—nothing expected
LAST RAINNov. 130.06 in · 1 dry day
ALERTS & OUTLOOKS
No watches or warnings for Washington County
NWS Norton and the Storm Prediction Center · checked 7:47 PM
SUN & MOON
↑ 6:34 AM4:29 PM ↓
9 h 54 m of daylight, 2 minutes less than yesterday
Waxing crescent, 27% lit. Next full moon: Nov. 24.
AIR & POLLEN
10
GOODAir quality index · fine particles
Tomorrow: 17, 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
7p
10p
1a
4a
7a
10a
1p
4p
7p
10p
1a
4a
7a
10a
1p
4p
7p
10p
1a
4a
7a
10a
1p
4p
partly cloudy night
partly cloudy night
partly cloudy night
mostly clear night
clear day
mostly sunny
mostly sunny
mostly clear night
mostly clear night
mostly clear night
mostly clear night
mostly clear night
mostly sunny
mostly sunny
partly cloudy day
partly cloudy night
mostly clear night
mostly clear night
mostly clear night
clear night
clear day
clear day
clear day
clear night
TEMPERATURE °F
39°
31°
51°
32°
51°
32°
CHANCE OF RAIN
50%
WIND, MPH
6
7
7
7
9
10
10
7
5
5
5
6
7
8
6
4
2
0
0
1
4
7
8
7
HOW IT FEELS · DEW POINT
Dry: dew points 27 to 38°

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 54° / 38°
SAT Nov. 14 Partly cloudy Partly cloudy
39° 30°
0% rain — WNW 6 A
SUN Nov. 15 Mostly sunny; warmer Mostly sunny; warmer
51° 30°
0% rain — NW 10 A
MON Nov. 16 Partly cloudy Partly cloudy
52° 30°
0% rain — NNW 7 A
TUE Nov. 17 Sunny Sunny
56° 35°
0% rain — W 6 A
WED Nov. 18 Sunny Sunny
60° 36°
0% rain — W 5 A
THU Nov. 19 Mostly sunny Mostly sunny
60° 39°
0% rain — WSW 3 A
FRI Nov. 20 Mostly sunny Mostly sunny
61° 39°
0% rain — WNW 5 A
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 Westerly about 5,000 feet above the ground was over British Columbia three days ago, and over the Great Lakes a day ago, about 2,490 miles back along its path. It came down from about 10,800 feet up, warming and drying as it sank. Near the ground the air came from the Canadian Prairies; 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 1996 Nov. 16, 1996

The coldest this week has been

12° on Nov. 16, 1996, the coldest reading for this week of the year since 1956. Next is 14° in 1956.

14°
12°
19561996
Source: NOAA RCC-ACIS, the Norwich Public Utility Plant record since 1956.
MILE2
THE GROUND

What Westerly stands on

Westerly’s center stands about 50 ft above sea level. Within three miles the land runs from 10 ft to 230 ft, a difference of 220 ft: rolling country. The highest named summit within 15 miles is Bay Mountain, about 580 ft, 12 miles north-northwest.

The section below crosses 10 rock units mapped at the surface.

Westerly, cut in half from south to north

A section south to north, 24 miles through the town center
0 ft200 ft400 ft WESTERLY50 ftMisquamicutsea levelMount Moriah290 ftHigh point of the line540 ft ← SVoluntown · N →

Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 35×. 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

Potter Hill Granite Gneiss

Gneiss. Age: Neoproterozoic, 542 to 1,000 million years old. About 3 mi of the line.

Hope Valley Alaskite Gneiss

Gneiss. Age: Neoproterozoic, 542 to 1,000 million years old. About 3 mi of the line.

Sterling Igneous Suite - granite gneiss

Gneiss. Age: Neoproterozoic, 596 to 606 million years old. About 3 mi of the line.

Plainfield Formation

Quartzite. Age: Neoproterozoic, 542 to 1,000 million years old. About 2 mi of the line.

Unknown

About 1 mi of the line.

Quartzite unit [in Plainfield Formation]

Quartzite. Age: Neoproterozoic, 542 to 1,000 million years old. About 1 mi of the line.

From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 4 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 Westerly’s rain goes

A raindrop that lands in Westerly reaches the Atlantic Ocean by way of the Pawcatuck: about 15 river miles.

THE WAY DOWN, TO SCALE
Westerly≈ 15 mi · the Atlantic Ocean
FROM THE CENTER OF WESTERLY ≈ 15 mi to the Atlantic Ocean Pawcatuck

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

MILE5
THE ALMANAC

Westerly’s year

1991–2020 normals · records since 1956 · Norwich Public Utility Plant, 16 mi northwest

Westerly has a hot-summer humid continental climate. Summer afternoons average 84° in July; winter nights fall to about 21° in January. A normal year brings about 28 inches of snow; with the rain, that comes to about 52 inches of water.

38°21°41°23°48°29°59°39°70°49°78°58°84°65°83°63°75°55°64°44°53°34°43°27° JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 12 TODAY WESTERLY 52.2 in rain and snowmelt
Normal high to low, by month Record high to low, by day Rain by month Freezing
July, average84° / 65°high / low, the warmest month
January, average38° / 21°high / low, the coldest month
Rain and melted snow52.2 inwettest months: March and December
Snow a year27.8 insnowiest: January
Hottest on record102°FAugust 10, 2001
Coldest on record−21°FJanuary 21, 1994
Wettest day on record6.34 inSeptember 2, 2021
Snowiest day on record20.0 inFebruary 9, 2013
90° days a year15very few reach 100°
Nights at or below 32°124and 20 days that stay below freezing
Climate typeHot-summer humid continentalKöppen Dfa

AROUND THE RING

1Freeze seasonfrom the first fall freeze, about Oct. 20, to the last in spring, about April 18 (median dates)
2Lows below freezingNov. 23 to March 27; normal lows fall below 32°
NOVEMBER 14 IN THE RECORD

On November 14 Westerly normally reaches 54° and falls to 35°. The record high is 72°, in 1993; the record low 17°, in 1986. The most rain on this date, 2.25 in, fell in 1972.

MONTH BY MONTH
JanFebMarAprMayJunJulAugSepOctNovDec
Normal high38°41°48°59°70°78°84°83°75°64°53°43°
Normal low21°23°29°39°49°58°65°63°55°44°34°27°
Rain and melt, in3.893.755.094.713.644.273.634.414.794.864.174.97
Snow, inches9.07.15.00.80.00.00.00.00.00.00.35.6
Record high70° (2020)72° (1981)85° (1998)94° (2002)98° (2010)101° (2025)101° (2018)102° (2001)97° (1983)88° (1963)80° (2024)77° (1998)
Record low−21° (1994)−17° (1996)−1° (1962)17° (1995)27° (1985)33° (1983)43° (1988)40° (1986)29° (1957)18° (1980)6° (1989)−13° (1980)

Normals 1991–2020 and records since 1956 at Norwich Public Utility Plant, 16 miles northwest. NOAA, through RCC-ACIS.

MILE7
ON THE NETWORK

Around Westerly on the Forecast Network

Neighboring plates

Cranston RI · 32 MI 32 miles northeast Providence RI · 37 MI 37 miles northeast Brookhaven NY · 70 MI 70 miles southwest Boston MA · 78 MI 78 miles northeast Hempstead NY · 107 MI 107 miles southwest New York NY · 122 MI 122 miles southwest
FORECASTCITY
Map of Westerly, Rhode Island. Explore the plate
RHODE ISLAND · WASHINGTON

Westerly

18,423 people, 50 ft above sea level in Washington County.

50 ftElevation
18,423People
16 sq miLand
Clear 40°
ClearDew point 29°
1

Today in Westerly

NEXT 15 HOURS
Now partly cloudy night 39° 1%
10p partly cloudy night 36° 1%
1a partly cloudy night 34° 1%
4a mostly clear night 32° 1%
7a clear day 32° 1%
10a clear day 46° 1%
Clear
NEXT RAINNone this week
→
Sat0%
Partly cloudy Partly cloudy
30
39
A
Sun0%
Mostly sunny; warmer Mostly sunny; warmer
30
51
A
Mon0%
Partly cloudy Partly cloudy
30
52
A
Tue0%
Sunny Sunny
35
56
A
Wed0%
Sunny Sunny
36
60
A
Thu0%
Mostly sunny Mostly sunny
39
60
A
Fri0%
Mostly sunny Mostly sunny
39
61
A
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
THIS WEEK IN 1996 · NOV. 16, 1996

12°, the coldest this week of the year has been since 1956.

2

What Westerly stands on

Westerly’s center stands about 50 ft above sea level. Within three miles the land runs from 10 ft to 230 ft, a difference of 220 ft: rolling country. The highest named summit within 15 miles is Bay Mountain, about 580 ft, 12 miles north-northwest.

Westerly, south to north Westerly50 ftMount Moriah290 ft ← SN → 24 miles through the town center; vertical exaggeration about 68×. Colors: rock at the surface.
Elevation, center50 ft
Within 3 miles10 to 230 ft
Lie of the landRolling (220 ft of relief)
High point nearbyBay Mountain, 580 ft, 12 mi north-northwest
5

Westerly’s year

Westerly has a hot-summer humid continental climate. Summer afternoons average 84° in July; winter nights fall to about 21° in January. A normal year brings about 28 inches of snow; with the rain, that comes to about 52 inches of water.

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 12 52.2 in
July, average84° / 65° · high / low, the warmest month
January, average38° / 21° · high / low, the coldest month
Rain and melted snow52.2 in · wettest months: March and December
Snow a year27.8 in · snowiest: January
Hottest on record102°F · August 10, 2001
Coldest on record−21°F · January 21, 1994
Wettest day on record6.34 in · September 2, 2021
Snowiest day on record20.0 in · February 9, 2013
90° days a year15 · very few reach 100°
Nights at or below 32°124 · and 20 days that stay below freezing
Climate typeHot-summer humid continental · Köppen Dfa
1Freeze season · from the first fall freeze, about Oct. 20, to the last in spring, about April 18 (median dates)
2Lows below freezing · Nov. 23 to March 27; normal lows fall below 32°
NOVEMBER 14 IN THE RECORD

On November 14 Westerly normally reaches 54° and falls to 35°. The record high is 72°, in 1993; the record low 17°, in 1986. The most rain on this date, 2.25 in, fell in 1972.

Normals 1991–2020 and records since 1956 at Norwich Public Utility Plant, 16 miles northwest. NOAA, through RCC-ACIS.
3

Where the rain goes

≈ 15 mito the Atlantic OceanPawcatuck

A raindrop that lands in Westerly reaches the Atlantic Ocean by way of the Pawcatuck: about 15 river miles.