Connecticut, United States Weather

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

Current conditions

Updated:
18°C
64.4°F
°C °F

Condition: Mainly Clear

Pressure: 990 hPa

Feel like: 18 °C

Temperature: 18°C

Cloud: 44%

Humidity: 80%

Wind: WNW - 12 km/h

Visibility: 19.4 km

Weather forecast

Wed
30 Sep
10°C / 20°C
Overcast
Thu
01 Oct
14°C / 22°C
Overcast
Fri
02 Oct
16°C / 29°C
Moderate Drizzle
Sat
03 Oct
10°C / 20°C
Overcast
Sun
04 Oct
8°C / 16°C
Moderate Rain Showers
Hourly forecast today:
19:00 PM
15° / 18°
15° / 18°
Mainly Clear
80% 18 km/h
20:00 PM
14° / 18°
14° / 18°
Partly Cloudy
79% 17 km/h
21:00 PM
14° / 17°
14° / 17°
Clear Sky
79% 15 km/h
22:00 PM
14° / 16°
14° / 16°
Clear Sky
84% 14 km/h
23:00 PM
13° / 15°
13° / 15°
Clear Sky
86% 12 km/h
00:00 AM
12° / 14°
12° / 14°
Clear Sky
86% 14 km/h
01:00 AM
11° / 13°
11° / 13°
Clear Sky
87% 13 km/h
02:00 AM
11° / 13°
11° / 13°
Clear Sky
89% 13 km/h
03:00 AM
11° / 13°
11° / 13°
Mainly Clear
90% 13 km/h
04:00 AM
10° / 12°
10° / 12°
Clear Sky
87% 11 km/h
05:00 AM
10° / 12°
10° / 12°
Clear Sky
87% 11 km/h

30 Day Averages and Extremes

  • Average high 17.5°C
  • Average low 9.13°C
  • Hottest day 29°C (02 October 2026)
  • Coldest day 0°C (11 October 2026)
  • Average humidity 76.43%
  • Days with precipitation 16 days
  • Highest precipitation 52 mm (27 September 2026)

Yesterday's Data

  • Max: 13°C
  • Min: 12°C
  • Total Precipitation: 11 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 mild weather in Connecticut, with temperatures between 15ºC to 18ºC (59.0ºF to 64.4ºF), consider wearing:
- Light jacket (for cooler periods)
- Comfortable jeans or slacks
- Scarf (optional)
- Casual sneakers or loafers

Temperature

Early
11°C / 12°C
Morning
9°C / 10°C
Afternoon
13°C / 16°C
Evening
14°C / 17°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 432
  • CO 135
  • NH3 0
  • NO2 2
  • O3 57
  • PM10 1
  • PM25 1
  • SO2 0
  • CH4 1,399

Sunrise / Sunset

10:47
22:37