Pittsfield, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pittsfield, a city in Pike County, Illinois.
Tonight
52°F
Slight Chance Light Rain
A slight chance of rain before 1am, then a slight chance of drizzle. Mostly cloudy, with a low around 52. Southwest wind around 12 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
7-day forecast for Pittsfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Slight Chance Light Rain | 12 mph SW | 17% |
| Wednesday | 59°F | Slight Chance Drizzle then Mostly Cloudy | 12 to 15 mph W | 12% |
| Wednesday Night | 44°F | Partly Cloudy | 9 mph SW | 1% |
| Thursday | 60°F | Mostly Sunny | 8 to 12 mph W | 7% |
| Thursday Night | 43°F | Mostly Cloudy then Slight Chance T-storms | 6 mph NW | 20% |
| Friday | 56°F | Mostly Cloudy | 8 mph N | 7% |
| Friday Night | 37°F | Mostly Cloudy | 1 to 5 mph N | 1% |
| Saturday | 55°F | Mostly Sunny | 3 mph NW | 1% |
| Saturday Night | 36°F | Partly Cloudy | 2 mph W | 1% |
| Sunday | 61°F | Sunny | 2 to 7 mph W | 8% |
| Sunday Night | 37°F | Mostly Clear | 3 mph W | 3% |
| Monday | 66°F | Sunny | 2 to 8 mph SW | 1% |
| Monday Night | 41°F | Mostly Clear | 5 mph SW | 1% |
| Tuesday | 67°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Pittsfield (39.601, -90.810). Updated through the day.
Growing snapshot for Pittsfield
Last spring frost
Apr 14
First fall frost
Oct 21
Growing season
189 days
Hardiness zone
6a
More local growing data for Pittsfield: nearby ZIP 62363 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Pittsfield #2, Il (2.7 mi from Pittsfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.