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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 Likely
Showers and thunderstorms likely. Cloudy. High near 67, with temperatures falling to around 63 in the afternoon. South wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Tripoli

WhenTempForecastWindPrecip
This Afternoon 67°F Showers And Thunderstorms Likely 9 mph S 57%
Tonight 49°F Showers And Thunderstorms 10 mph SSE 76%
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

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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 4, 2026.