Colonie Weather Online

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84°F

Mostly Sunny

Feels like 89°F

7:48pm EDT -- May 18, 2026

Temperature Since Midnight

High: 93°F
Low: 58°F

Humidity: 67% Dew Point: 72°F

Wind: S 2 mph Gusts: None

Pressure: 29.97 in (Falling)

UV Index: 0

Visibility: 10.00 mi

Ceiling: 0 ft

Sky Covered: 20%

0.00 in

( Storm: 0.00 in )
Month: 2.05 in 2026: 11.24 in

0.0 in

( Storm: 0.0 in )
Month: 0.0 in Season: 47.8 in

Conditions update every five minutes.

Latest Observations

Humidity: 67%
Dew Point: 72°F

Wind: S 2 mph
Gusts: None

Pressure: 29.97 in (Falling)

UV Index: 0

Visibility: 10.00 mi

Ceiling: 0 ft

Sky Covered: 20%

Precipitation

0.00 in
( Storm: 0.00 in )

Month: 2.05 in
2026: 11.24 in

Snowfall

0.0 in
( Storm: 0.0 in )

Month: 0.0 in
Season: 47.8 in

Conditions update every five minutes.

Heat Awareness

Heat can be very taxing on the body and can lead to heat related illnesses or make existing health conditions worse. Stay safe, cool and hydrated!

Pollen Allergy Forecast

Helping the region's allergy sufferers stay ahead of today's pollen.

View Pollen Allergy Forecast

Explore Travel Central

Check area traffic and weather conditions before heading out the door. If you are flying, check status and weather at select U.S. airports.

NOAA Weather Radio

Home of the NOAA Weather Radio online feed, available 24 hours/day.

Listen to NOAA Weather Radio

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Find weather related information for Eastern NY such as climate data, photos and more! Start following Colonie Weather Online today!

Short-Term Forecast

A look at the weather for the next several hours

Next Six Hours

8:00pm

84°F

Mostly Sunny

POP: 0 %

S 4 mph

10:00pm

78°F

Mostly Clear

POP: 0 %

S 5 mph

12:00am

75°F

Mostly Clear

POP: 0 %

S 4 mph

2:00am

72°F

Mostly Clear

POP: 0 %

S 4 mph

What to Expect Ahead

Forecast Takeaway

Expect mostly clear skies with temperatures falling into the mid-70s overnight.

Typically we would expect a high temperature near 72°F for today, with sunset at 8:14pm.

Updates will appear here as conditions change.

36-Hour Forecast & Maps

A quick look at near‑term forecast,
radar, and satellite trends

In the Near‑Term

Full Forecast

Tonight: Mostly clear, with a low around 69. South wind 3 to 5 mph.

Tuesday: A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 91. Light and variable wind becoming west 6 to 11 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night: Partly cloudy, with a low around 70. Southwest wind around 6 mph.

Local Radar & Northeast Satellite

Click on image thumbnails to enlarge.

Environmental Conditions

A closer look at the air and allergen environment

Today's Pollen

High

10.6

Top Allergens

Oak, Birch and Maple

Symptom Outlook

Allergy symptoms may be more noticeable today, especially outdoors.

Full Pollen Allergy Forecast

Current Air Quality

Good

Primary Pollutant

Ozone

Symptom Outlook

Air quality poses little to no risk for most individuals.

Full Air Quality Forecast

Climate Snapshot

A quick snapshot of today in the seasonal cycle

Today’s Normals & Records

Normal High: 72°F
Normal Low: 49°F

Record High: 94°F
Record Low: 29°F

Additional normals and records
can be found in the Climate Central section.

Today's Sun & Moon Data

Sunrise: 5:29am
Sunset: 8:14pm

Moonrise: 6:30am
Moonset: 11:08pm

Daylight length is 14 hours and 45 minutes
Waxing Crescent Phase (3% illuminated)

Seasonal Countdown

Countdown to Summer

Summer Solstice begins June 21st at 4:24am EDT.

Tracking the days until the next season begins.