Grant, IA Weather & Growing Conditions
Today
51°F
Mostly Cloudy
Mostly cloudy, with a high near 51. West northwest wind 13 to 16 mph, with gusts as high as 24 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 51°F | Mostly Cloudy | 13 to 16 mph WNW | 12% |
| Tonight | 40°F | Mostly Cloudy then Slight Chance Light Rain | 12 mph W | 15% |
| Thursday | 52°F | Chance Light Rain then Mostly Cloudy | 12 mph NW | 29% |
| Thursday Night | 38°F | Mostly Cloudy | 5 to 9 mph N | 3% |
| Friday | 51°F | Partly Sunny | 2 to 6 mph N | 1% |
| Friday Night | 31°F | Partly Cloudy | 1 mph NE | 0% |
| Saturday | 53°F | Mostly Sunny | 1 to 5 mph SSW | 0% |
| Saturday Night | 35°F | Mostly Clear | 2 mph WSW | 0% |
| Sunday | 59°F | Sunny | 2 to 6 mph WSW | 0% |
| Sunday Night | 38°F | Clear | 5 mph SSW | 0% |
| Monday | 65°F | Sunny | 5 to 12 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 64°F | Sunny | 5 mph N | 0% |
| Tuesday Night | 44°F | Partly Cloudy | 2 mph ESE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grant, IA
Last spring frost
Apr 27
First fall frost
Oct 12
Growing season
168 days
Hardiness zone
5b
Explore more for Grant, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Corning, Ia (15.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.