Harman US

Swaledale, IA Weather & Growing Conditions

Tonight
43°F
Rain Showers
Rain showers. Cloudy. Low around 43, with temperatures rising to around 48 overnight. Northwest wind 7 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 43°F Rain Showers 7 to 10 mph NW 89%
Wednesday 50°F Rain Showers 9 to 16 mph W 75%
Wednesday Night 39°F Rain Showers 9 to 13 mph W 82%
Thursday 49°F Rain Showers Likely 13 mph NNW 63%
Thursday Night 34°F Mostly Cloudy 5 to 9 mph N 14%
Friday 48°F Partly Sunny 2 to 7 mph NNE 1%
Friday Night 29°F Partly Cloudy 1 mph N 1%
Saturday 53°F Mostly Sunny 0 to 5 mph SW 2%
Saturday Night 33°F Mostly Clear 3 mph W 4%
Sunday 58°F Sunny 3 to 7 mph W 6%
Sunday Night 35°F Mostly Clear 5 mph SW 2%
Monday 61°F Mostly Sunny 5 to 10 mph WSW 0%
Monday Night 37°F Mostly Clear 6 mph WNW 1%
Tuesday 58°F Mostly Sunny 6 mph WNW 1%

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

Growing snapshot for Swaledale, IA

Last spring frost
May 3
First fall frost
Oct 1
Growing season
150 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Mason City Muni Ap, Ia (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.