News12 New York
N12 Originals
Numbers & Links
Local
Crime
Weather
Taxing Long Island
Vote 2026: Long Island elections
Clear
57°
Local
Crime
Weather
Taxing Long Island
Vote 2026: Long Island elections

Partly cloudy with patchy fog overnight ahead of a big temperature swing this week

Warmer temperatures move in midweek, but rain showers and windier weather Friday will transition Nassau and Suffolk Counties to a much colder feel to start the weekend.

Matt Hammer

•

Oct 12, 2026, 9:14 PM

•

Updated

Share:

More Stories

Islip Information

Islip Information

Islip, New York • Climate data: Islip MacArthur Airport (ISP)
Updating...
🌅
Sunrise
--
Islip
🌇
Sunset
--
Islip
☀️
UV Index Today
--
Loading...
🌙
Moon Phase
--
Tonight
🍃
Air Quality
--
Loading...
🌡️
Average High / Low
-- / --
1991-2020 Normals
ISP Climate
🏆
Record High / Low
-- / --
Loading...
ISP Climate
Loading latest Islip information...

OVERNIGHT

Partly cloudy with areas of patchy fog. Comfortable with low temperatures in the mid-50s into early Tuesday morning. The wind overnight will stay light out of the northwest around 5 to 10 mph.

SPACEX ROCKET LAUNCH EARLY TUESDAY

If you are up at 6:30 a.m. on Tuesday and look toward the southeastern sky, there is a chance you might notice a SPACEX rocket launch light up the sky for a few minutes around 6:33 a.m. If you see it, send in any photos you get!

MIDWEEK WARM-UP

It will feel closer to summer midweek on Wednesday. High temperatures will be warm - well into the 70s and parts of Long Island can touch 80 degrees. As with any warm-up like this during fall, it is typically short-lived, which will be the case this week. Outdoor plans are a go as well Tuesday through Thursday. Tuesday and Thursday just won't be as warm as Wednesday, but still nice with highs in the upper 60s to lower 70s.

wedF_Temp_GRAF_4k.png

FRIDAY SHOWERS LEAD TO A COLDER WEEKEND

A cold front will bring periods of rain showers and windier conditions on Friday, but it will also lead to some of our coldest-feeling daytime air of the season yet! You may need to have a winter coat with you all day on Saturday. It will be dry and windy on Saturday, but highs will only be around the lower 50s and that wind will be a colder northwest wind. So, it can feel like the upper 30s to at best the lower 40s all day on Saturday. It won't last long, though! Temperatures will rebound back into the 60s with lighter wind into next week.

F_Feel_GFS_25k.png

EXTENDED FORECAST

OVERNIGHT: Partly cloudy with areas of patchy fog. Comfortable with lows in the mid-50s into early Tuesday morning. Wind: Northwest 5 to 10 mph.

TUESDAY: A mix of sun and clouds. Highs will be around the upper 60s to lower 70s. Wind: East to south around 5 to 15 mph. Lows near 62 degrees.

WEDNESDAY: Sun and clouds. Warmer with highs in the mid-to-upper 70s for most of Long Island. Lows near 56 degrees.

THURSDAY: Sun and clouds. Highs around 66 degrees. Lows near 53 degrees.

FRIDAY: Mostly cloudy with periods of rain showers. Windier with some gusts around 20 to 30 mph. Highs near 70 degrees. Lows near 45 degrees.

SATURDAY: COLDER - Sun and clouds. Windy, much colder feeling and dry. Highs around 52 degrees will mostly feel like the upper 30s to mid-40s at best. Wind gusts may get to the 30 to 40 mph range. Lows near 38 degrees.

SUNDAY: Mostly sunny with highs around 56 degrees. Lows near 42 degrees.

F_P1_PM_1.png
F_P2_PM_1.png
MH_Marine.png
LI_10DAY_PM_MASTER.png

More From News12

App StoreGoogle Play Store

info

Newsletter

Send Photos/Videos

Contact

About Us

News Team

News 12 New York

follow us

Twitter

Facebook

Instagram

more resources

Optimum Corporate

Optimum Service

Advertise on News 12

Careers

Content Removal Policy

© 2026 N12N, LLC

Privacy Policy

Terms of Service

Ad Choices