The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Islip Weather Today · 7-Day Forecast

Grey Sky Settles Over the Town

Cloud lies thick and low. The light is dim and the air is still.

Warmest today at 61° · coldest night Friday at 38°

The short of it: Islip weather on Wednesday, 11 November 2026: local time, 13 °C (56 °F) with an overcast sky, feeling like 12 °C (53 °F). Today’s high 16 °C (61 °F), low 10 °C (49 °F). Chance of rain 60% in the next 24 hours, about 3.4 mm (0.13 in). Warnings in force: thunderstorms expected, sharp cold snap. Source: Wanted Weather forecast service (global weather models), updated 18:00 local time.

ISLIP, Wednesday. — Those stepping out in Islip this morning will find an overcast sky; the afternoon should top out near 61°, the night near 49°. That is some 7° milder than a typical November afternoon in Islip, where the average high is 54°. Barely a breath of wind stirs from the S, gusting to 6 mph, and the glass is falling — a change is coming.

Of the 7 days ahead, today looks the finest at near 61°, while Friday night will be the coldest at 38°. Rain or snow is due on 2 of them, some 0.8 in. in all. Nights run 10° milder than the November norm of 39°.

By the Almanac's reckoning, November in Islip runs from 39° at night to 54° by day, with some 3.3 in. of rain. July is the warmest month here at 83°, January the coldest at 26°, and March the wettest with 4.2 in.. Snow usually lies on the ground from December to February. The best months to ride in are September and June.

The sun is up 10 h 3 min today, and the days are shortening by about 2 minutes each. The station stands 26 ft above the sea.

The Hours to Come

Temperature by the hour · rain & snow in the hour beneath
The hour-by-hour ledger
HourSkyTempFeelsWindRain
NowOvercast56°53°3 mph–
7 PMOvercast55°52°3 mph–
8 PMOvercast55°52°3 mph–
9 PMOvercast55°52°3 mph–
10 PMOvercast55°53°3 mph–
11 PMOvercast56°53°3 mph–
12 AMOvercast56°53°3 mph–
1 AMOvercast55°53°3 mph–
2 AMOvercast55°53°3 mph–
3 AMPartly cloudy55°53°4 mph–
4 AMOvercast56°52°4 mph–
5 AMOvercast56°53°5 mph–
6 AMOvercast56°53°5 mph–
7 AMOvercast57°54°5 mph–
8 AMOvercast58°54°6 mph–
9 AMPartly cloudy59°53°9 mph–
10 AMOvercast59°53°9 mph–
11 AMOvercast59°53°9 mph–
12 PMOvercast59°54°9 mph–
1 PMLight showers59°54°8 mph0.01 in.
2 PMLight showers57°53°7 mph0.04 in.
3 PMLight showers56°52°8 mph0.02 in.
4 PMThunderstorm56°51°9 mph0.04 in.
5 PMThunderstorm56°51°9 mph0.04 in.

Seven-Day Outlook · Classified

Highs in large type · pick a day

Today (Nov 11): overcast, high 61°, low 49°, dry, gusts to 10 mph. Sun up 6:35 AM, down 4:38 PM. Cloud lies thick and low. The light is dim and the air is still.

The Week in Figures

DayLow · HighRainGustsDaylight
Today49°61°dry10 mph10 h 3 min
Thursday52°59°0.2 in.19 mph10 h 1 min
Friday38°52°0.6 in.24 mph9 h 59 min
Saturday39°46°dry17 mph9 h 57 min
Sunday39°49°dry17 mph9 h 54 min
Monday40°49°dry12 mph9 h 53 min
Tuesday38°49°dry10 mph9 h 51 min

Warmest: today at 61°. Wettest: Friday, 0.6 in.. Strongest gusts: Friday, 24 mph.

The Almanac · Islip Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low

November in Islip, by the numbers

Warmth rank
8th warmest of 12
Rain rank
6th wettest of 12
Versus October
10° colder, 0.5 in. less rain
Versus December
10° warmer
Day–night spread
15°
Snow season
Dec–Feb
Daylight, mid-month
9 h 51 min
Average wind
10 mph
Travel with care
The Almanac Speaks
November
✦✦✦✦✦

The year turns hard here: highs drop 10° from October to about 54°, with nights near 39°. Wet spells are common — about 3.3 in., the 6th wettest month.

Islip in November: the full almanac →

Climate of Islip by month
MonthHighLowRainWindDaylightVisit
January39°26°3.2 in.11 mph9 h 33 min✦
February41°26°3.0 in.11 mph10 h 35 min✦
March49°33°4.2 in.11 mph11 h 49 min✦
April59°42°3.6 in.11 mph13 h 15 min✦✦
May69°52°3.1 in.9 mph14 h 26 min✦✦✦
June77°61°3.3 in.9 mph15 h 5 min✦✦✦
July83°68°3.3 in.8 mph14 h 49 min✦✦✦
August82°67°3.9 in.8 mph13 h 47 min✦✦✦
September75°60°3.1 in.9 mph12 h 24 min✦✦✦
October64°48°3.9 in.10 mph11 h 2 min✦✦✦
November54°39°3.3 in.10 mph9 h 51 min✦✦
December44°31°3.9 in.11 mph9 h 16 min✦

Reports from the Street

What readers in Islip see right now · last 3 hours

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Questions Readers Ask about Islip

Answered from the wire & the Almanac

What is the weather in Islip today?

Right now it is 13 °C (56 °F) with an overcast sky; it feels like 12 °C (53 °F). Today’s high is 16 °C (61 °F) and tonight’s low 10 °C (49 °F). The chance of rain in the next 24 hours is about 60%, with 3.4 mm (0.13 in) expected.

Will it rain in Islip this week?

Yes — rain or snow is forecast on 2 of the next 7 days, about 21 mm (0.81 in) in total. The wettest day looks to be Friday.

Are there any weather warnings for Islip?

Yes: thunderstorms expected; sharp cold snap. See Warnings & Notices for the details.

What is the warmest month in Islip?

July, with an average high of 28 °C (83 °F). The coldest is January, when nights average -4 °C (26 °F). The wettest month is March, with 107 mm (4.2 in), according to TerraClimate climate normals for 1991–2020.

When is the best time to visit Islip?

September and June. September brings highs near 24 °C (75 °F) and about 80 mm (3.1 in) of rain; June highs near 25 °C (77 °F) and 85 mm (3.3 in). The Almanac rates every month from 1 to 5 for warmth, dryness and rainfall, using 1991–2020 climate normals.

Does it snow in Islip?

Yes. Snow usually lies on the ground from December to February. Nights average below freezing in Dec–Feb.

Neighbouring Towns

November averages · distance by the crow’s flight
TownDistanceHighLowRain
BrentwoodNew York4 mi NNW54°39°3.4 in.
East NorwalkConnecticut28 mi NNW54°36°3.7 in.
StamfordConnecticut28 mi NW54°37°3.7 in.
FairfieldConnecticut29 mi N53°36°3.7 in.
NorwalkConnecticut29 mi NNW54°36°3.7 in.
BaysideNew York30 mi W55°39°3.3 in.
BridgeportConnecticut31 mi N54°36°3.7 in.
JamaicaNew York31 mi W55°39°3.3 in.

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor
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