Pleasant Plains, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pleasant Plains, a village in Sangamon County, Illinois.
Today
87°F
Sunny
Sunny, with a high near 87. South wind around 6 mph.
7-day forecast for Pleasant Plains
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 6 mph S | 0% |
| Tonight | 68°F | Mostly Clear | 6 mph SSE | 1% |
| Wednesday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 7 mph S | 25% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 6 mph S | 78% |
| Thursday | 83°F | Showers And Thunderstorms | 5 mph S | 78% |
| Thursday Night | 65°F | Slight Chance Showers And Thunderstorms | 3 mph SSE | 16% |
| Friday | 84°F | Mostly Sunny | 2 mph SW | 10% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms | 2 mph SSW | 22% |
| Saturday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 6 mph SSW | 22% |
| Saturday Night | 70°F | Mostly Clear | 3 to 8 mph S | 9% |
| Sunday | 89°F | Sunny | 12 mph SSW | 4% |
| Sunday Night | 72°F | Mostly Clear | 10 mph S | 13% |
| Monday | 90°F | Mostly Sunny | 10 mph SSW | 13% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 9 mph SSW | 24% |
Forecast source: National Weather Service (api.weather.gov) for Pleasant Plains (39.875, -89.918). Updated through the day.
Growing snapshot for Pleasant Plains
Last spring frost
Apr 19
First fall frost
Oct 19
Growing season
181 days
Hardiness zone
6a
More local growing data for Pleasant Plains: nearby ZIP 62677 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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Berlin
Buffalo
Cantrall
Chatham
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Dawson
Divernon
Grandview
Illiopolis
Jerome
Leland Grove
Loami
Mechanicsburg
New Berlin
Pawnee
Riverton
Rochester
Sherman
Southern View
Spaulding
Springfield
Thayer
Williamsville
Climate data from the nearest NOAA station, Athens 4Sw, Il (6.8 mi from Pleasant Plains). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.