Collins, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Collins, a city in Story County, Iowa.
Today
81°F
Showers And Thunderstorms
Showers and thunderstorms. Partly sunny. High near 81, with temperatures falling to around 78 in the afternoon. West northwest wind 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Collins
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Showers And Thunderstorms | 5 to 9 mph WNW | 77% |
| Tonight | 62°F | Showers And Thunderstorms | 6 to 9 mph NNE | 93% |
| Wednesday | 73°F | Showers And Thunderstorms Likely | 6 mph NE | 60% |
| Wednesday Night | 56°F | Chance Rain Showers | 3 mph NE | 27% |
| Thursday | 80°F | Sunny | 3 mph ENE | 2% |
| Thursday Night | 61°F | Mostly Clear | 2 mph SE | 1% |
| Friday | 84°F | Sunny | 3 to 7 mph S | 8% |
| Friday Night | 66°F | Mostly Clear | 6 mph SSE | 14% |
| Saturday | 87°F | Sunny | 3 to 8 mph S | 14% |
| Saturday Night | 71°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 10 mph SSW | 15% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms then Sunny | 10 mph SSE | 15% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 9 mph SSE | 32% |
| Monday | 88°F | Chance Showers And Thunderstorms | 8 to 12 mph S | 32% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 10 mph E | 27% |
Forecast source: National Weather Service (api.weather.gov) for Collins (41.902, -93.308). Updated through the day.
Growing snapshot for Collins
Last spring frost
Apr 24
First fall frost
Oct 12
Growing season
170 days
Hardiness zone
5b
More local growing data for Collins: nearby ZIP 50055 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Colo, Ia (9.4 mi from Collins). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.