Connecticut weather, town by town

About Connecticut weather

The map on the Now tab shows every Connecticut town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.

What the weather is usually like

Across the 328 Connecticut towns with station normals, the warmest month is July, when the day usually reaches 83°F, and the coldest is January, when the night usually falls to 19°F. May is the wettest, with rain on about 13 days. July afternoons run from about 79°F in Canaan to 86°F in Bethel. January nights run from about 14°F in Canaan to 25°F in Norwalk.

Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.

Where these numbers come from

• Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
• Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
• Warnings and alerts: the National Weather Service, passed through unchanged.

Connecticut weather records

Measured at the NOAA stations serving these towns, daily records 1884 to 2026. Station extremes, not official records.

Common questions about Connecticut weather

What is the hottest temperature recorded at a Connecticut station?

106°F at Danbury on July 15, 1995, in the NOAA daily station records myweatherrock holds (1884 to 2026).

What is the coldest temperature recorded at a Connecticut station?

-26°F at Hartford-Bradley Intl Ap on January 22, 1961.

What is the most rain a Connecticut station has measured in one day?

12.77 inches at Burlington on August 19, 1955.

What is the biggest one-day snowfall at a Connecticut station?

36.0 inches at Ansonia 1 Nw on February 9, 2013.

How many Connecticut towns have a weather page here?

328: 169 towns, 152 census-designated places, 6 boroughs, 1 place. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.

Where does the Connecticut forecast come from?

NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.