Harman US

Tripoli, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Tripoli, a city in Bremer County, Iowa.

This Afternoon
67°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 67, with temperatures falling to around 63 in the afternoon. South wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Tripoli

WhenTempForecastWindPrecip
This Afternoon 67°F Showers And Thunderstorms 10 to 16 mph S 75%
Tonight 49°F Showers And Thunderstorms 10 mph SSE 79%
Wednesday 53°F Rain Showers Likely 12 to 18 mph WSW 64%
Wednesday Night 43°F Rain Showers Likely 13 to 17 mph WSW 67%
Thursday 51°F Rain Showers Likely 14 mph NW 74%
Thursday Night 38°F Mostly Cloudy 10 to 14 mph N 10%
Friday 48°F Partly Sunny 5 to 12 mph N 1%
Friday Night 31°F Partly Cloudy 3 mph NNW 0%
Saturday 52°F Mostly Sunny 1 to 7 mph WSW 2%
Saturday Night 35°F Mostly Clear 6 mph W 4%
Sunday 58°F Sunny 6 to 10 mph WNW 9%
Sunday Night 37°F Mostly Clear 7 mph SW 1%
Monday 60°F Mostly Sunny 7 to 14 mph SW 0%
Monday Night 40°F Mostly Clear 8 mph WNW 0%

Forecast source: National Weather Service (api.weather.gov) for Tripoli (42.808, -92.258). Updated through the day.

Growing snapshot for Tripoli

Last spring frost
Apr 29
First fall frost
Oct 9
Growing season
162 days
Hardiness zone
5a

More local growing data for Tripoli: nearby ZIP 50676 weather · frost dates · planting calendar · Iowa frost dates

Nearby towns & communities

All Iowa locations ›

Climate data from the nearest NOAA station, Tripoli, Ia (1.5 mi from Tripoli). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.