Grant, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grant, a city in Montgomery County, Iowa.
Overnight
42°F
Cloudy
Cloudy. Low around 42, with temperatures rising to around 44 overnight. Northwest wind around 15 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Grant
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 42°F | Cloudy | 15 mph NW | 9% |
| Wednesday | 51°F | Chance Rain Showers then Mostly Cloudy | 13 to 16 mph WNW | 25% |
| Wednesday Night | 40°F | Mostly Cloudy then Slight Chance Rain Showers | 12 mph W | 19% |
| Thursday | 52°F | Chance Rain Showers then Mostly Cloudy | 9 to 13 mph NW | 30% |
| 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 ENE | 0% |
| Saturday | 54°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% |
Forecast source: National Weather Service (api.weather.gov) for Grant (41.143, -94.984). Updated through the day.
Growing snapshot for Grant
Last spring frost
Apr 27
First fall frost
Oct 12
Growing season
168 days
Hardiness zone
5b
More local growing data for Grant: nearby ZIP 50847 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Corning, Ia (15.8 mi from Grant). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.