Fort Calhoun, NE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Calhoun, a city in Washington County, Nebraska.
Overnight
43°F
Slight Chance Rain Showers
A slight chance of rain showers before 2am. Cloudy. Low around 43, with temperatures rising to around 45 overnight. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Fort Calhoun
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Slight Chance Rain Showers | 15 mph NW | 18% |
| Wednesday | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 13 mph WNW | 20% |
| Wednesday Night | 41°F | Mostly Cloudy then Slight Chance Rain Showers | 12 mph WNW | 18% |
| Thursday | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 8 to 12 mph NNW | 17% |
| Thursday Night | 38°F | Mostly Cloudy | 7 mph N | 0% |
| Friday | 51°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Friday Night | 33°F | Partly Cloudy | 2 mph SE | 0% |
| Saturday | 55°F | Mostly Sunny | 3 mph SSW | 0% |
| Saturday Night | 37°F | Mostly Clear | 2 mph WSW | 0% |
| Sunday | 60°F | Sunny | 3 mph WSW | 0% |
| Sunday Night | 41°F | Mostly Clear | 6 mph SSW | 0% |
| Monday | 65°F | Sunny | 7 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 3 mph NW | 0% |
| Tuesday | 64°F | Mostly Sunny | 3 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov) for Fort Calhoun (41.456, -96.026). Updated through the day.
Growing snapshot for Fort Calhoun
Last spring frost
Apr 19
First fall frost
Oct 17
Growing season
180 days
Hardiness zone
5b
More local growing data for Fort Calhoun: nearby ZIP 68023 weather · frost dates · planting calendar · Nebraska frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ft Calhoun 4W, Ne (4.2 mi from Fort Calhoun). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.