Fort Calhoun, NE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Calhoun, a city in Washington County, Nebraska.
Today
78°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8am, then patchy smoke and a slight chance of showers and thunderstorms between 8am and noon, then a chance of showers and thunderstorms between noon and 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then patchy smoke and a chance of showers and thunderstorms. Partly sunny. High near 78, with temperatures falling to around 76 in the afternoon. North wind 6 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Fort Calhoun
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Chance Showers And Thunderstorms | 6 to 12 mph N | 50% |
| Tonight | 61°F | Chance Showers And Thunderstorms then Patchy Smoke | 5 to 12 mph NNE | 75% |
| Wednesday | 74°F | Patchy Smoke then Chance Showers And Thunderstorms | 6 mph ENE | 50% |
| Wednesday Night | 57°F | Mostly Clear | 1 to 5 mph ESE | 2% |
| Thursday | 81°F | Sunny | 0 to 5 mph ESE | 1% |
| Thursday Night | 64°F | Mostly Clear | 5 mph SSE | 4% |
| Friday | 87°F | Sunny | 5 to 8 mph S | 4% |
| Friday Night | 69°F | Mostly Clear | 6 mph S | 4% |
| Saturday | 92°F | Sunny | 3 to 13 mph S | 3% |
| Saturday Night | 72°F | Mostly Clear | 9 to 13 mph S | 7% |
| Sunday | 93°F | Mostly Sunny | 8 to 12 mph SSE | 4% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms | 13 mph SSE | 18% |
| Monday | 93°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 14 mph S | 17% |
| Monday Night | 73°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 9 to 13 mph SE | 22% |
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 Aug 4, 2026.