Sidney, IA Weather & Growing Conditions
Today
84°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny. High near 84, with temperatures falling to around 82 in the afternoon. North northeast wind 3 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Chance Showers And Thunderstorms | 3 to 9 mph NNE | 35% |
| Tonight | 64°F | Chance Showers And Thunderstorms | 8 to 12 mph NNE | 84% |
| Wednesday | 74°F | Showers And Thunderstorms | 9 mph NE | 86% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms then Mostly Clear | 2 to 7 mph NE | 28% |
| Thursday | 81°F | Mostly Sunny | 3 mph E | 3% |
| Thursday Night | 64°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 3 mph SE | 20% |
| Friday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 3 to 7 mph S | 20% |
| Friday Night | 68°F | Mostly Clear | 6 mph SSE | 4% |
| Saturday | 90°F | Sunny | 3 to 12 mph S | 1% |
| Saturday Night | 73°F | Mostly Clear | 10 to 14 mph S | 8% |
| Sunday | 92°F | Mostly Sunny | 9 to 13 mph S | 8% |
| Sunday Night | 73°F | Partly Cloudy | 12 to 15 mph SSE | 11% |
| Monday | 92°F | Mostly Sunny | 10 to 15 mph S | 9% |
| Monday Night | 74°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 15 mph SSE | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sidney, IA
Last spring frost
Apr 19
First fall frost
Oct 19
Growing season
182 days
Hardiness zone
5b
Explore more for Sidney, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Sidney 1Sse, Ia (2.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.