Danbury, CT Weather & Growing Conditions
Today
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 65 in the afternoon. Southwest wind 5 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Sunny | 5 to 9 mph SW | 0% |
| Tonight | 55°F | Mostly Cloudy | 2 to 7 mph S | 0% |
| Thursday | 69°F | Chance Rain Showers | 7 to 10 mph S | 50% |
| Thursday Night | 58°F | Rain Showers | 3 to 7 mph S | 75% |
| Friday | 68°F | Rain Showers | 3 mph S | 79% |
| Friday Night | 51°F | Rain Showers Likely | 3 mph N | 70% |
| Saturday | 63°F | Mostly Sunny then Slight Chance Rain Showers | 7 mph NW | 17% |
| Saturday Night | 43°F | Slight Chance Light Rain | 8 mph W | 24% |
| Sunday | 58°F | Slight Chance Light Rain then Mostly Sunny | 9 mph NW | 17% |
| Sunday Night | 39°F | Partly Cloudy | 7 mph W | 4% |
| Monday | 56°F | Mostly Sunny | 8 to 13 mph W | 10% |
| Monday Night | 37°F | Mostly Clear | 7 mph W | 10% |
| Tuesday | 59°F | Mostly Sunny | 7 to 12 mph SW | 5% |
| Tuesday Night | 37°F | Mostly Clear | 8 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Danbury, CT
Last spring frost
Apr 20
First fall frost
Oct 20
Growing season
181 days
Hardiness zone
6b
Explore more for Danbury, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Danbury, Ct (3.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.