Denver, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Denver, a city in Bremer County, Iowa.
Today
77°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 77, with temperatures falling to around 75 in the afternoon. West wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Denver
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Chance Showers And Thunderstorms | 9 mph W | 49% |
| Tonight | 61°F | Showers And Thunderstorms Likely | 5 to 9 mph N | 64% |
| Wednesday | 72°F | Chance Showers And Thunderstorms then Partly Sunny | 6 mph NNE | 30% |
| Wednesday Night | 54°F | Slight Chance Rain Showers | 5 mph N | 15% |
| Thursday | 78°F | Sunny | 5 mph E | 2% |
| Thursday Night | 59°F | Mostly Clear | 5 mph SSE | 0% |
| Friday | 81°F | Sunny | 3 to 12 mph S | 6% |
| Friday Night | 65°F | Mostly Clear | 9 mph S | 12% |
| Saturday | 84°F | Sunny | 6 to 10 mph S | 10% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 13 mph S | 28% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 13 mph SE | 28% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 10 mph SSE | 36% |
| Monday | 83°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 9 to 13 mph SSE | 36% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 12 mph ENE | 36% |
Forecast source: National Weather Service (api.weather.gov) for Denver (42.668, -92.334). Updated through the day.
Growing snapshot for Denver
Last spring frost
Apr 27
First fall frost
Oct 10
Growing season
165 days
Hardiness zone
5a
More local growing data for Denver: nearby ZIP 50622 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Waterloo Muni Ap, Ia (8.9 mi from Denver). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.