Denver, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Denver, a city in Bremer County, Iowa.
Overnight
64°F
Patchy Fog
Patchy fog and a chance of showers and thunderstorms. Cloudy. Low around 64, with temperatures rising to around 66 overnight. Southeast wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Denver
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Patchy Fog | 10 mph SE | 51% |
| Saturday | 77°F | Patchy Fog | 10 mph SSW | 64% |
| Saturday Night | 59°F | Chance Showers And Thunderstorms | 10 to 14 mph N | 35% |
| Sunday | 66°F | Chance Rain Showers then Chance Drizzle | 17 mph NE | 32% |
| Sunday Night | 53°F | Chance Rain Showers | 16 mph ENE | 38% |
| Monday | 61°F | Chance Rain Showers | 17 mph ENE | 42% |
| Monday Night | 47°F | Chance Rain Showers | 10 to 14 mph NE | 42% |
| Tuesday | 60°F | Slight Chance Rain Showers then Partly Sunny | 12 mph ENE | 15% |
| Tuesday Night | 44°F | Mostly Clear | 5 to 8 mph ENE | 3% |
| Wednesday | 64°F | Sunny | 7 mph ENE | 1% |
| Wednesday Night | 49°F | Partly Cloudy | 6 mph E | 3% |
| Thursday | 66°F | Partly Sunny | 6 mph E | 7% |
| Thursday Night | 52°F | Partly Cloudy | 5 mph E | 5% |
| Friday | 68°F | Mostly Sunny | 3 to 7 mph ESE | 4% |
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 Sep 19, 2026.