Longview, IL Weather & Growing Conditions
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 5 mph S | 0% |
| Tonight | 64°F | Mostly Clear | 3 mph SSE | 0% |
| Wednesday | 86°F | Mostly Sunny | 6 mph S | 2% |
| Wednesday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 mph S | 47% |
| Thursday | 82°F | Showers And Thunderstorms Likely | 6 mph SSW | 73% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms | 3 mph S | 39% |
| Friday | 83°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 3 mph SSW | 24% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms | 2 mph S | 24% |
| Saturday | 85°F | Slight Chance Rain Showers then Mostly Sunny | 5 mph SSW | 18% |
| Saturday Night | 69°F | Mostly Clear | 2 to 7 mph SSW | 14% |
| Sunday | 87°F | Sunny | 7 to 12 mph SSW | 10% |
| Sunday Night | 71°F | Mostly Clear | 10 mph SSW | 10% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 10 mph SSW | 17% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 10 mph SW | 27% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Longview, IL
Last spring frost
Apr 15
First fall frost
Oct 20
Growing season
188 days
Hardiness zone
6a
Explore more for Longview, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Tuscola, Il (13.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.