Right now🌧️
Current conditions · Johnston, IA
70°
Light Rain
Feels like 70°
💨 Wind
5 mph SE
💧 Humidity
100%
🌫️ Dew pt
70°
👁️ Visibility
3 mi
NWSObserved at Ankeny Regional Airport
Weather · Johnston
Johnston forecast & conditions
Current conditions, the 7-day outlook and hour-by-hour details for Johnston, straight from the National Weather Service. Watches and warnings show up first.
Loading the local forecast…
🗓️
7-Day forecast
Tonight
🌫️
64°
99%
Patchy Fog
Thu
⛈️
67°
49°
65%
Showers And Thunderstorms Likely
Fri
☀️
64°
48°
0%
Sunny
Sat
☀️
66°
53°
1%
Sunny
Sun
☀️
68°
47°
1%
Sunny
Mon
☀️
63°
50°
0%
Sunny
Tue
☀️
68°
57°
1%
Sunny
Climate · a normal year
What a year in Johnston feels like
Johnston has cold winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 12°, and about 25 inches of snow falls in a normal winter.
34° / 16°Winter
61° / 39°Spring
83° / 62°Summer
63° / 41°Fall
How much snow does Johnston get?About 25 inches a winter.Rain & snow →When is the first frost?Around Oct 15, with the last in spring around Apr 23.Frost dates →Is it warmer than it used to be?+0.6° vs. the 20th century.Then & now →
See Johnston’s full climate →
NOAA U.S. Climate Normals, 1991–2020. A normal is a 30-year average, not a forecast.
The forecast is temporarily unavailable.
Data from the U.S. National Weather Service (weather.gov) — free public data, not modified by TownTapestry. Not a substitute for official warnings; always follow weather.gov and local authorities.