Grant, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grant, a city in Montgomery County, Iowa.
Today
84°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 2pm and 5pm, then showers and thunderstorms likely. Partly sunny. High near 84, with temperatures falling to around 81 in the afternoon. North wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Grant
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 6 to 10 mph N | 62% |
| Tonight | 62°F | Chance Showers And Thunderstorms then Patchy Smoke | 7 to 12 mph NNE | 90% |
| Wednesday | 73°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 10 mph NE | 89% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 8 mph NE | 37% |
| Thursday | 82°F | Mostly Sunny | 1 to 5 mph E | 4% |
| Thursday Night | 62°F | Mostly Clear | 3 mph SE | 7% |
| Friday | 86°F | Sunny | 3 to 8 mph S | 7% |
| Friday Night | 67°F | Mostly Clear | 7 mph S | 7% |
| Saturday | 90°F | Sunny | 3 to 13 mph S | 3% |
| Saturday Night | 72°F | Mostly Clear | 13 mph S | 9% |
| Sunday | 91°F | Mostly Sunny | 10 to 14 mph S | 9% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms | 14 mph SSE | 20% |
| Monday | 91°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 12 to 15 mph S | 18% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph SSE | 24% |
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 Aug 4, 2026.