Gilman, IA Weather & Growing Conditions
Today
82°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 11am. Partly sunny. High near 82, with temperatures falling to around 79 in the afternoon. West wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 30% |
| Tonight | 61°F | Showers And Thunderstorms | 6 to 9 mph NNE | 84% |
| Wednesday | 74°F | Showers And Thunderstorms Likely | 7 mph NNE | 70% |
| Wednesday Night | 55°F | Chance Rain Showers | 3 mph NNE | 38% |
| Thursday | 80°F | Sunny | 2 mph ENE | 3% |
| Thursday Night | 59°F | Mostly Clear | 2 mph SE | 0% |
| Friday | 83°F | Sunny | 2 to 6 mph SSE | 6% |
| Friday Night | 64°F | Mostly Clear | 5 mph SSE | 14% |
| Saturday | 87°F | Sunny | 3 to 7 mph S | 11% |
| Saturday Night | 70°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 7 to 10 mph SSW | 16% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph S | 16% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 9 mph S | 34% |
| Monday | 87°F | Chance Showers And Thunderstorms | 8 to 12 mph S | 34% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 12 mph ESE | 29% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gilman, IA
Last spring frost
May 3
First fall frost
Oct 6
Growing season
155 days
Hardiness zone
5a
Explore more for Gilman, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Grinnell 3 Sw, Ia (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.