Connecticut, United States Weather

  1. Connecticut, United States Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Connecticut over the next 12 hours
  7. Temperature and possibility of rain in Connecticut in the coming days
  8. Rainfall in Connecticut in the coming days
  9. Connecticut Weather Summary
  10. Weather averages by month
  11. Connecticut's weather
  12. Frequently asked questions
  13. Comments
Connecticut, Weather
(Photo by The New York Public Library on Unsplash)

Current conditions

Updated:
13°C
55.4°F
°C °F

Condition: Clear Sky

Pressure: 990 hPa

Feel like: 13 °C

Temperature: 13°C

Cloud: 11%

Humidity: 81%

Wind: NW - 7 km/h

Visibility: 16.0 km

Weather forecast

Tue
12 May
2°C / 15°C
Overcast
Wed
13 May
5°C / 15°C
Slight Rain
Thu
14 May
8°C / 19°C
Slight Rain
Fri
15 May
7°C / 17°C
Drizzle
Sat
16 May
9°C / 18°C
Overcast
Hourly forecast today:
01:00 AM
10° / 13°
10° / 13°
Clear Sky
81% 14 km/h
02:00 AM
10° / 13°
10° / 13°
Overcast
82% 28 km/h
03:00 AM
2° / 11°
2° / 11°
Partly Cloudy
55% 50 km/h
04:00 AM
-1° / 9°
-1° / 9°
Clear Sky
45% 50 km/h
05:00 AM
-2° / 9°
-2° / 9°
Overcast
44% 47 km/h
06:00 AM
-2° / 8°
-2° / 8°
Overcast
46% 39 km/h
07:00 AM
-1° / 8°
-1° / 8°
Overcast
50% 38 km/h
08:00 AM
0° / 8°
0° / 8°
Overcast
55% 32 km/h
09:00 AM
0° / 7°
0° / 7°
Overcast
55% 25 km/h
10:00 AM
0° / 7°
0° / 7°
Overcast
57% 21 km/h
11:00 AM
1° / 8°
1° / 8°
Overcast
59% 23 km/h

30 Day Averages and Extremes

  • Average high 17.6°C
  • Average low 6.67°C
  • Hottest day 28°C (18 May 2026)
  • Coldest day 2°C (12 May 2026)
  • Average humidity 67.6%
  • Days with precipitation 22 days
  • Highest precipitation 68 mm (14 May 2026)

Yesterday's Data

  • Max: 19°C
  • Min: 10°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

Connecticut's weather

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 cool weather in Connecticut, with temperatures between 11ºC to 14ºC (51.8ºF to 57.2ºF), you should consider wearing:
- Cotton socks
- Long-sleeve top or shirt
- Light jacket or cardigan
- Light scarf or wrap

Temperature

Early
2°C / 11°C
Morning
0°C / 7°C
Afternoon
-3°C / 13°C
Evening
-1°C / 13°C

Air quality

Moderate

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

  • CO2 443
  • CO 227
  • NH3 0
  • NO2 6
  • O3 70
  • PM10 6
  • PM25 6
  • SO2 0
  • CH4 1,410

Sunrise / Sunset

09:36
00:00