Montrose, IA Weather & Growing Conditions
This Afternoon
85°F
Mostly Cloudy
Mostly cloudy. High near 85, with temperatures falling to around 83 in the afternoon. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Mostly Cloudy | 5 mph SW | 13% |
| Tonight | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 58% |
| Sunday | 75°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 to 10 mph N | 62% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 10 mph NE | 67% |
| Monday | 66°F | Showers And Thunderstorms | 10 mph NE | 77% |
| Monday Night | 56°F | Rain Showers Likely | 10 mph NE | 65% |
| Tuesday | 64°F | Chance Rain Showers | 10 mph NE | 35% |
| Tuesday Night | 51°F | Mostly Cloudy | 5 to 10 mph NE | 2% |
| Wednesday | 67°F | Partly Sunny | 5 mph NE | 1% |
| Wednesday Night | 54°F | Mostly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 71°F | Partly Sunny | 0 to 5 mph NE | 3% |
| Thursday Night | 58°F | Slight Chance Rain Showers | 0 mph | 17% |
| Friday | 74°F | Slight Chance Rain Showers | 0 to 5 mph NE | 17% |
| Friday Night | 59°F | Mostly Cloudy | 0 to 5 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Montrose, IA
Last spring frost
Apr 17
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
6a
Explore more for Montrose, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Donnellson, Ia (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.