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Shaded-relief map of Flanders, New York: rivers, roads, the city limits and where the water drains.
NEW YORK · SUFFOLK COUNTY

Flanders

5,098 people, 30 ft above sea level in Suffolk County.

30 ftElevation, city center
5,098People, 2024 estimate
11 sq miLand area
Sunny 44°
Sunny now Dew point 28° · NW 9 mph · high 48°
City of Flanders River Interstate 2 miles
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The Flanders 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 Flanders

NWS forecast and National Blend of Models · updated 12:00 PM EST
RIGHT NOW Sikorsky Memorial Airport (KBDR) · 12:52 PM
Sunny
44° Sunny Feels like 39° · high of 48° near 1 PM
WindNW 9 mphno gusts
Humidity53%falling to 46% this afternoon
Pressure29.73 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 28° · 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. 120.24 in · 2 dry days
ALERTS & OUTLOOKS
No watches or warnings for Suffolk County
NWS Upton and the Storm Prediction Center · checked 1:46 PM
SUN & MOON
↑ 6:36 AM4:33 PM ↓
9 h 57 m of daylight, 2 minutes less than yesterday
Waxing crescent, 25% lit. Next full moon: Nov. 24.
AIR & POLLEN
24
GOODAir quality index · ozone
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
1p
4p
7p
10p
1a
4a
7a
10a
1p
4p
7p
10p
1a
4a
7a
10a
1p
4p
7p
10p
1a
4a
7a
10a
mostly cloudy day
mostly cloudy night
partly cloudy night
partly cloudy night
partly cloudy night
mostly clear night
mostly sunny
mostly sunny
mostly sunny
mostly clear night
mostly clear night
mostly clear night
mostly clear night
mostly clear night
mostly sunny
mostly sunny
mostly sunny
mostly clear night
mostly clear night
clear night
mostly clear night
mostly clear night
clear day
mostly sunny
TEMPERATURE °F
48°
34°
51°
34°
52°
34°
CHANCE OF RAIN
50%
WIND, MPH
14
12
12
10
10
12
12
15
13
12
9
9
8
8
10
12
11
9
7
5
5
6
7
8
HOW IT FEELS · DEW POINT
Dry: dew points 27 to 35°

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 54° / 39°
SAT Nov. 14 Mostly cloudy Mostly cloudy
48° 34°
0% rain — NW 14 A
SUN Nov. 15 Mostly sunny Mostly sunny
51° 33°
0% rain — NNW 13 A
MON Nov. 16 Mostly sunny Mostly sunny
52° 34°
0% rain — NNW 11 A
TUE Nov. 17 Mostly sunny Mostly sunny
56° 36°
0% rain — WNW 5 A
WED Nov. 18 Mostly sunny Mostly sunny
59° 38°
0% rain — W 3 A
THU Nov. 19 Partly cloudy Partly cloudy
60° 41°
0% rain — WSW 5 A
FRI Nov. 20 Mostly sunny Mostly sunny
61° 42°
0% rain — NW 3 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 Flanders about 5,000 feet above the ground was over British Columbia three days ago, and over the Great Lakes a day ago, about 2,980 miles back along its path. It came down from about 12,000 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, FOUR YEARS AGO Nov. 12, 2022

The hottest this week has been

73° on Nov. 12, 2022, the hottest reading for this week of the year since 1951. Next is 70° in 2001.

70°
73°
20012022
Source: NOAA RCC-ACIS, the Westhampton Gabreski Airport record since 1951.
MILE2
THE GROUND

What Flanders stands on

Flanders’s center stands about 30 ft above sea level. Within three miles the land runs from 0 ft to 220 ft, a difference of 220 ft: rolling country. Open water lies within three miles. The highest named summit within 15 miles is Bald Hill, about 290 ft, 5 miles west-southwest.

Mastic to North Sea, cut in half

A section west to east, 24 miles through the town center
0 ft100 ft200 ft FLANDERS30 ftManorville150 ftNorthampton230 ft ← W · MasticNorth Sea · E →

Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 64×. 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

Monmouth Group, Matawan Group and Magothy Formation

Clay, sand, gravel. Age: Late Cretaceous, 66 to 100 million years old. About 13 mi of the line.

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

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 Flanders’s rain goes

Rain that falls on Flanders runs straight into Long Island Sound and the Atlantic Ocean.

FROM THE CENTER OF FLANDERS < 2 mi to Long Island Sound and the Atlantic Ocean straight to the shore

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

MILE5
THE ALMANAC

Flanders’s year

1991–2020 normals · records since 1951 · Westhampton Gabreski Airport, 4 mi south

Flanders has a warm-summer humid continental climate. Summer afternoons average 81° in July; winter nights fall to about 20° in January. About 44 inches of rain fall in a normal year.

39°20°40°21°47°28°57°36°66°46°75°56°81°62°80°61°74°54°63°42°53°34°45°26° JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 12 TODAY FLANDERS 43.5 in rain a year
Normal high to low, by month Record high to low, by day Rain by month Freezing
July, average81° / 62°high / low, the warmest month
January, average39° / 20°high / low, the coldest month
Rain a year43.5 inwettest months: October and March
Hottest on record100°FJune 24, 2025
Coldest on record−15°FJanuary 17, 2009
Wettest day on record6.09 inOctober 14, 2005
90° days a year6very few reach 100°
Nights at or below 32°130and 17 days that stay below freezing
Climate typeWarm-summer humid continentalKöppen Dfb

AROUND THE RING

1Freeze seasonfrom the first fall freeze, about Oct. 13, to the last in spring, about May 9 (median dates)
2Lows below freezingNov. 21 to April 4; normal lows fall below 32°
NOVEMBER 14 IN THE RECORD

On November 14 Flanders normally reaches 54° and falls to 34°. The record high is 69°, in 2005; the record low 13°, in 2019. The most rain on this date, 0.62 in, fell in 2000.

MONTH BY MONTH
JanFebMarAprMayJunJulAugSepOctNovDec
Normal high39°40°47°57°66°75°81°80°74°63°53°45°
Normal low20°21°28°36°46°56°62°61°54°42°34°26°
Rain, inches3.192.724.283.793.313.502.883.743.754.653.484.17
Record high67° (2020)71° (2023)76° (2011)88° (2002)93° (2022)100° (2025)100° (2010)99° (2006)94° (2010)88° (2019)80° (2022)71° (1998)
Record low−15° (2009)−12° (2015)−9° (2015)11° (2016)24° (2008)33° (2020)42° (2009)39° (1965)32° (2020)16° (1966)6° (2018)−1° (2002)

Normals 1991–2020 and records since 1951 at Westhampton Gabreski Airport, 4 miles south. NOAA, through RCC-ACIS.

MILE7
ON THE NETWORK

Around Flanders on the Forecast Network

Neighboring plates

New Haven CT · 34 MI 34 miles northwest Bridgeport CT · 37 MI 37 miles northwest New York NY · 72 MI 72 miles west Newark NJ · 83 MI 83 miles west Boston MA · 129 MI 129 miles northeast Philadelphia PA · 146 MI 146 miles southwest
FORECASTCITY
Map of Flanders, New York. Explore the plate
NEW YORK · SUFFOLK

Flanders

5,098 people, 30 ft above sea level in Suffolk County.

30 ftElevation
5,098People
11 sq miLand
Sunny 44°
SunnyDew point 28°
1

Today in Flanders

NEXT 15 HOURS
Now mostly cloudy day 48° 1%
4p mostly cloudy day 46° 2%
7p mostly cloudy night 42° 5%
10p partly cloudy night 40° 2%
1a partly cloudy night 38° 2%
4a mostly clear night 35° 2%
Clear
NEXT RAINNone this week
→
Sat0%
Mostly cloudy Mostly cloudy
34
48
A
Sun0%
Mostly sunny Mostly sunny
33
51
A
Mon0%
Mostly sunny Mostly sunny
34
52
A
Tue0%
Mostly sunny Mostly sunny
36
56
A
Wed0%
Mostly sunny Mostly sunny
38
59
A
Thu0%
Partly cloudy Partly cloudy
41
60
A
Fri0%
Mostly sunny Mostly sunny
42
61
B
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
THIS WEEK, FOUR YEARS AGO · NOV. 12, 2022

73°, the hottest this week of the year has been since 1951.

2

What Flanders stands on

Flanders’s center stands about 30 ft above sea level. Within three miles the land runs from 0 ft to 220 ft, a difference of 220 ft: rolling country. Open water lies within three miles. The highest named summit within 15 miles is Bald Hill, about 290 ft, 5 miles west-southwest.

Flanders, west to east Flanders30 ft ← WE → 24 miles through the town center; vertical exaggeration about 122×. Colors: rock at the surface.
Elevation, center30 ft
Within 3 miles0 to 220 ft
Lie of the landRolling (220 ft of relief)
High point nearbyBald Hill, 290 ft, 5 mi west-southwest
5

Flanders’s year

Flanders has a warm-summer humid continental climate. Summer afternoons average 81° in July; winter nights fall to about 20° in January. About 44 inches of rain fall in a normal year.

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 12 43.5 in
July, average81° / 62° · high / low, the warmest month
January, average39° / 20° · high / low, the coldest month
Rain a year43.5 in · wettest months: October and March
Hottest on record100°F · June 24, 2025
Coldest on record−15°F · January 17, 2009
Wettest day on record6.09 in · October 14, 2005
90° days a year6 · very few reach 100°
Nights at or below 32°130 · and 17 days that stay below freezing
Climate typeWarm-summer humid continental · Köppen Dfb
1Freeze season · from the first fall freeze, about Oct. 13, to the last in spring, about May 9 (median dates)
2Lows below freezing · Nov. 21 to April 4; normal lows fall below 32°
NOVEMBER 14 IN THE RECORD

On November 14 Flanders normally reaches 54° and falls to 34°. The record high is 69°, in 2005; the record low 13°, in 2019. The most rain on this date, 0.62 in, fell in 2000.

Normals 1991–2020 and records since 1951 at Westhampton Gabreski Airport, 4 miles south. NOAA, through RCC-ACIS.
3

Where the rain goes

< 2 mito the Atlanticstraight to the shore

Rain that falls on Flanders runs straight into Long Island Sound and the Atlantic Ocean.