Sidney, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sidney, a city in Fremont County, Iowa.
Today
83°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 7am. Partly sunny, with a high near 83. Northeast wind 2 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Sidney
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Chance Showers And Thunderstorms | 2 to 9 mph NE | 32% |
| Tonight | 64°F | Chance Showers And Thunderstorms | 8 to 12 mph NNE | 83% |
| Wednesday | 73°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 9 mph NE | 84% |
| Wednesday Night | 60°F | Chance Showers And Thunderstorms then Mostly Clear | 2 to 7 mph NE | 26% |
| Thursday | 81°F | Mostly Sunny | 3 mph E | 3% |
| Thursday Night | 64°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 3 mph SE | 21% |
| Friday | 85°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 7 mph S | 21% |
| Friday Night | 69°F | Mostly Clear | 5 mph SSE | 4% |
| Saturday | 89°F | Sunny | 5 to 12 mph S | 1% |
| Saturday Night | 73°F | Mostly Clear | 13 mph S | 8% |
| Sunday | 91°F | Mostly Sunny | 12 mph S | 8% |
| Sunday Night | 73°F | Partly Cloudy | 14 mph SSE | 9% |
| Monday | 92°F | Mostly Sunny | 12 to 15 mph S | 8% |
| Monday Night | 74°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 12 to 15 mph SSE | 15% |
Forecast source: National Weather Service (api.weather.gov) for Sidney (40.746, -95.645). Updated through the day.
Growing snapshot for Sidney
Last spring frost
Apr 19
First fall frost
Oct 19
Growing season
182 days
Hardiness zone
5b
More local growing data for Sidney: nearby ZIP 51652 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sidney 1Sse, Ia (2.7 mi from Sidney). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.