Harman US

Collins, IA Weather & Growing Conditions

Today
80°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then a slight chance of showers and thunderstorms. Mostly cloudy. High near 80, with temperatures falling to around 77 in the afternoon. West wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 80°F Chance Showers And Thunderstorms 8 mph W 45%
Tonight 62°F Chance Showers And Thunderstorms 6 to 10 mph N 36%
Sunday 65°F Chance Rain Showers 9 to 13 mph NNE 38%
Sunday Night 57°F Chance Rain Showers 13 mph NE 50%
Monday 61°F Chance Rain Showers 13 mph NE 50%
Monday Night 51°F Chance Rain Showers 7 to 10 mph NE 45%
Tuesday 60°F Partly Sunny 8 mph ENE 13%
Tuesday Night 46°F Partly Cloudy 6 mph ENE 3%
Wednesday 65°F Sunny 5 mph ENE 1%
Wednesday Night 52°F Partly Cloudy 3 mph E 5%
Thursday 65°F Slight Chance Rain Showers 3 mph ESE 18%
Thursday Night 55°F Mostly Cloudy 2 mph E 9%
Friday 68°F Partly Sunny 5 mph E 9%
Friday Night 56°F Mostly Cloudy 3 mph ESE 8%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Collins, IA

Last spring frost
Apr 24
First fall frost
Oct 12
Growing season
170 days
Hardiness zone
5b

Explore more for Collins, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Colo, Ia (9.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.