Johnstown, NE Weather & Growing Conditions
Overnight
31°F
Patchy Fog
Patchy fog before 3am. Mostly cloudy, with a low around 31. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 31°F | Patchy Fog | 10 to 15 mph NW | 0% |
| Wednesday | 47°F | Partly Sunny | 15 to 20 mph NW | 5% |
| Wednesday Night | 35°F | Mostly Cloudy | 10 to 15 mph NW | 2% |
| Thursday | 51°F | Mostly Sunny | 5 to 15 mph NNW | 0% |
| Thursday Night | 27°F | Partly Cloudy | 0 to 5 mph NNE | 0% |
| Friday | 54°F | Mostly Sunny | 0 to 5 mph SSW | 0% |
| Friday Night | 33°F | Partly Cloudy | 5 mph SW | 0% |
| Saturday | 59°F | Sunny | 5 to 10 mph WNW | 0% |
| Saturday Night | 35°F | Mostly Clear | 0 to 5 mph WNW | 0% |
| Sunday | 64°F | Sunny | 5 to 10 mph SW | 0% |
| Sunday Night | 42°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Monday | 63°F | Sunny | 5 to 10 mph NW | 0% |
| Monday Night | 38°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Tuesday | 60°F | Mostly Sunny | 5 to 10 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Johnstown, NE
Last spring frost
May 2
First fall frost
Oct 8
Growing season
158 days
Hardiness zone
5b
Explore more for Johnstown, NE: full frost dates · planting calendar · Nebraska frost dates
Climate data from the nearest NOAA station, Ainsworth, Ne (14.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.