Connecticut, United States Weather

Connecticut,  Weather
(Photo by The New York Public Library on Unsplash)

Current conditions

Updated:
-6°C
21.2°F
°C °F

Condition: Mainly Clear

Pressure: 994 hPa

Feel like: -10 °C

Temperature: -6°C

Cloud: 27%

Humidity: 94%

Wind: NE - 6 km/h

Visibility: 24.14 km

Weather forecast

Tue
17 Feb
-5°C / 5°C
Partly Cloudy
Wed
18 Feb
0°C / 7°C
Drizzle
Thu
19 Feb
-3°C / 2°C
Snow Fall Slight
Fri
20 Feb
-4°C / 2°C
Overcast
Sat
21 Feb
-2°C / 0°C
Moderate Snowfall
Hourly forecast today:
12:00 PM
-7° / -6°
-7° / -6°
Mainly Clear
94% 28 km/h
13:00 PM
-5° / -4°
-5° / -4°
Partly Cloudy
88% 23 km/h
14:00 PM
-5° / -2°
-5° / -2°
Overcast
80% 15 km/h
15:00 PM
-3° /
-3° /
Overcast
79% 10 km/h
16:00 PM
-2° /
-2° /
Overcast
80% 6 km/h
17:00 PM
-1° /
-1° /
Overcast
80% 4 km/h
18:00 PM
0° /
0° /
Partly Cloudy
80% 8 km/h
19:00 PM
0° /
0° /
Partly Cloudy
83% 9 km/h
20:00 PM
1° /
1° /
Overcast
87% 10 km/h
21:00 PM
0° /
0° /
Overcast
90% 11 km/h
22:00 PM
0° /
0° /
Partly Cloudy
93% 9 km/h

30 Day Averages and Extremes

  • Average high -1.73°C
  • Average low -10.6°C
  • Hottest day 7°C (18 February 2026)
  • Coldest day -20°C (08 February 2026)
  • Average humidity 67.53%
  • Days with precipitation 16 days
  • Highest precipitation 29 mm (18 February 2026)

Yesterday's Data

  • Max: 3°C
  • Min: -9°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Connecticut over the next 12 hours

Temperature and possibility of rain in Connecticut in the coming days

Rainfall in Connecticut in the coming days

Connecticut Climate Summary

Connecticut features a Humid continental, no dry season, warm summer (Köppen classification: Dfb), with an average annual temperature of 11.47ºC (52.65ºF), which is about -1.17% lower than the national average for United States. Annually, the city experiences approximately 74.77 millimeters (2.94 inches) of rainfall, spread across 123.37 rainy days, accounting for 33.8% of the year.

Longitude 41.6032207
Latitude -73.087749
Yearly high temperature 14.53ºC (58.15ºF)
Yearly low temperature 5.84ºC (42.51ºF)
Hottest month July 28.27ºC (82.89ºF)
Coldest month February -5.67ºC (21.79ºF)
Yearly precip 74.77mm (2.94in)
Days with rainfall 123.37 days (33.8%)
Driest month November (75.01%)
Wettest month October (78.31%)

Weather averages by month

Month High / Low (°C) Rain
January 0.51° / -5.98° 7.82 days
February 1.92° / -5.67° 8.91 days
March 6.39° / -1.4° 10.09 days
April 13.41° / 3.99° 11.0 days
May 20.1° / 9.74° 11.82 days
June 24.67° / 13.81° 11.73 days
July 28.27° / 17.65° 13.55 days
August 26.91° / 16.64° 12.45 days
September 23.16° / 13.4° 8.73 days
October 16.25° / 8.12° 9.73 days
November 9.02° / 1.8° 7.45 days
December 3.78° / -2.05° 10.09 days

Frequently asked questions

1. What is the hottest month in Connecticut?

July has the highest average monthly temperature (daily mean of 28.27ºC) and February are the coolest (daily mean of -5.67ºC).

2. What should I wear in Connecticut today?

For today's cold weather in Connecticut, with temperatures ranging from 0ºC to 3ºC (0ºF to 37.4ºF), you should wear:
- Wool or thermal socks
- Scarf to protect the neck area
- Long pants (jeans or other thick materials)
- Layered clothing (such as a thermal shirt under a sweater)

Temperature

Early
-3°C / -3°C
Morning
-6°C / -5°C
Afternoon
-3°C / 0°C
Evening
0°C / 2°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 0
  • CO 388
  • NH3 0
  • NO2 29
  • O3 33
  • PM10 34
  • PM25 33
  • SO2 7
  • CH4 0

Sunrise / Sunset

11:45
22:26