Grant, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grant, a city in Montgomery County, Iowa.
This Afternoon
83°F
Chance Showers And Thunderstorms
A chance of rain showers before 4pm, then a chance of showers and thunderstorms. Partly sunny. High near 83, with temperatures falling to around 81 in the afternoon. West northwest wind around 8 mph. Chance of precipitation is 30%.
7-day forecast for Grant
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Chance Showers And Thunderstorms | 8 mph WNW | 28% |
| Tonight | 61°F | Chance Showers And Thunderstorms | 9 mph N | 55% |
| Sunday | 66°F | Chance Rain Showers | 8 to 12 mph NNE | 41% |
| Sunday Night | 56°F | Rain Showers Likely | 8 to 12 mph NE | 61% |
| Monday | 59°F | Rain Showers Likely | 10 mph NE | 72% |
| Monday Night | 51°F | Rain Showers Likely then Mostly Cloudy | 6 to 9 mph NE | 72% |
| Tuesday | 60°F | Mostly Cloudy | 8 mph NE | 4% |
| Tuesday Night | 46°F | Partly Cloudy | 2 to 6 mph ENE | 2% |
| Wednesday | 63°F | Mostly Sunny | 5 mph E | 0% |
| Wednesday Night | 51°F | Mostly Cloudy | 3 mph ESE | 13% |
| Thursday | 66°F | Chance Rain Showers | 3 to 7 mph SE | 33% |
| Thursday Night | 56°F | Chance Rain Showers | 5 mph SE | 25% |
| Friday | 69°F | Mostly Cloudy | 2 to 6 mph ESE | 14% |
| Friday Night | 56°F | Mostly Cloudy then Chance Rain Showers | 5 mph ESE | 26% |
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 Sep 19, 2026.