Gilman, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gilman, a city in Marshall County, Iowa.
Today
80°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny. High near 80, with temperatures falling to around 78 in the afternoon. Southwest wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Gilman
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Showers And Thunderstorms Likely | 9 mph SW | 56% |
| Tonight | 61°F | Chance Showers And Thunderstorms | 7 to 10 mph N | 41% |
| Sunday | 65°F | Chance Rain Showers | 9 to 13 mph NNE | 44% |
| Sunday Night | 55°F | Chance Rain Showers | 13 mph NE | 48% |
| Monday | 61°F | Chance Rain Showers | 13 mph NE | 53% |
| Monday Night | 50°F | Chance Rain Showers | 8 to 13 mph NE | 53% |
| Tuesday | 60°F | Slight Chance Rain Showers then Partly Sunny | 8 mph ENE | 23% |
| Tuesday Night | 45°F | Partly Cloudy | 3 to 7 mph ENE | 3% |
| Wednesday | 64°F | Sunny | 5 mph ENE | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 3 mph E | 4% |
| Thursday | 65°F | Partly Sunny | 3 mph E | 12% |
| Thursday Night | 53°F | Mostly Cloudy | 2 mph E | 9% |
| Friday | 68°F | Partly Sunny | 5 mph E | 6% |
| Friday Night | 54°F | Mostly Cloudy | 3 mph ESE | 8% |
Forecast source: National Weather Service (api.weather.gov) for Gilman (41.879, -92.788). Updated through the day.
Growing snapshot for Gilman
Last spring frost
May 3
First fall frost
Oct 6
Growing season
155 days
Hardiness zone
5a
More local growing data for Gilman: nearby ZIP 50106 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Albion
Clemons
Ferguson
Green Mountain
Haverhill
Laurel
Le Grand
Liscomb
Marshalltown
Melbourne
Rhodes
St. Anthony
State Center
Climate data from the nearest NOAA station, Grinnell 3 Sw, Ia (11.5 mi from Gilman). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.