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WeatherLive › Connecticut › Collinsville

Collinsville, CT Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherCollinsville · 9:13 AM EDT
32° | 15°
24°C
Feels like 26°
Sunny
WindNW 2 mph · Gusts 3 mph
Precip74% · 0.41 in
Humidity65% · Dew point 17°
UV index6 High
Air Quality40 Good
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset6:05 AM · 7:44 PM · 13h 39m

Weather map — Collinsville

Full radar →
Now
24°
4%
2 mph
10:00
26°
3%
3 mph
11:00
28°
12%
2 mph
12:00
29°
11%
2 mph
13:00
30°
2%
4 mph
14:00
32°
2%
5 mph
15:00
29°
5%
9 mph
16:00
27°
13%
10 mph
17:00
22°
18%
9 mph
18:00
20°
45%
9 mph
19:00
18°
42%
8 mph
20:00
16°
0.23 in
9 mph
21:00
16°
0.16 in
5 mph
22:00
16°
52%
5 mph
23:00
15°
43%
6 mph
00:00
15°
0.05 in
4 mph
01:00
18°
15%
2 mph
02:00
17°
14%
2 mph
03:00
16°
13%
4 mph
04:00
16°
12%
3 mph
05:00
15°
12%
2 mph
06:00
15°
27%
3 mph
07:00
16°
19%
3 mph
08:00
18°
6%
4 mph

Today · Thu 8/20

High 32°
74% / 0.41 in

Sunny. Winds NW at 10 mph.

Tonight · Thu 8/20

Low 15°
89% / 0.16 in

Rain. Winds NE at 5 mph.

Tomorrow · Fri 8/21

29° | 15°
57% / 0.05 in

Mostly cloudy. Winds N at 6 mph.

7-day trend

Collinsville · temperature + precipitation

10-day forecast

Updated 9:13 AM

Details & indices

Wind
2 mph NW
Gusts 3 mph
Humidity
65%
Dew point 17°
Pressure
29.94 inHg
Rising
UV index
6 — High
High today
Air Quality
Good
AQI 40 · US EPA
Allergy
None detected
—
Visibility
6 mi
Clear view
Allergy — Collinsville

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise6:05 AM
Sunset7:44 PM
Length of day13h 39m
Moonrise2:49 PM
Moonset11:31 PM
Moon phase🌓 First Quarter · 54%
Next full moonAug 28 Sturgeon Moon
Latitude41.8129°N
Longitude-72.9201°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Fair
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Bridgeport
—
—
Data sources · Thursday, August 20
Where the Collinsville forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 41.8129°N, -72.9201°.
NBM + global weather models
Updated: 9:13 AM
Weather in Collinsville
Over the next 10 days Collinsville tops out around 32° (Thursday) and dips to 14° on the coolest night (Tuesday). Models drop roughly 1.7 in of precipitation across the stretch — watch Thursday (94%). Wind is the one to watch: gusts to 28 mph around Thursday. No active NWS alerts at the moment — quiet on the hazards front. Right now Collinsville is running about 55° warmer than Boston. Longer view: classic Northeast mix — nor'easters, humid spells and a glorious fall.
Collinsville, CT · Elev 325 ft · 41.81°N, 72.92°W · Connecticut · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 9:13 AM