Denver, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Denver, a city in Bremer County, Iowa.
This Afternoon
68°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 68, with temperatures falling to around 63 in the afternoon. South southeast wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Denver
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Showers And Thunderstorms | 9 mph SSE | 75% |
| Tonight | 48°F | Showers And Thunderstorms | 12 mph SSE | 79% |
| Wednesday | 53°F | Chance Rain Showers | 13 to 18 mph WSW | 53% |
| Wednesday Night | 43°F | Rain Showers Likely | 14 to 17 mph WSW | 68% |
| Thursday | 51°F | Rain Showers Likely | 14 mph NW | 73% |
| Thursday Night | 38°F | Mostly Cloudy | 10 to 14 mph N | 11% |
| Friday | 48°F | Partly Sunny | 5 to 12 mph N | 1% |
| Friday Night | 32°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 | 8% |
| Sunday Night | 37°F | Mostly Clear | 7 mph SW | 1% |
| Monday | 61°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 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 Nov 4, 2026.