Sidney, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sidney, a city in Fremont County, Iowa.
Tonight
63°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers and thunderstorms likely before midnight, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. North wind around 9 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Sidney
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 9 mph N | 72% |
| Sunday | 67°F | Chance Rain Showers | 10 mph NNE | 42% |
| Sunday Night | 59°F | Chance Rain Showers | 8 mph NNE | 54% |
| Monday | 61°F | Chance Rain Showers | 9 mph NNE | 50% |
| Monday Night | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 8 mph NNE | 20% |
| Tuesday | 61°F | Mostly Cloudy | 7 mph NE | 4% |
| Tuesday Night | 48°F | Mostly Cloudy | 5 mph ENE | 2% |
| Wednesday | 63°F | Partly Sunny | 5 mph ESE | 1% |
| Wednesday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 16% |
| Thursday | 67°F | Chance Rain Showers | 7 mph SE | 40% |
| Thursday Night | 59°F | Chance Rain Showers | 3 mph SE | 27% |
| Friday | 69°F | Slight Chance Rain Showers | 5 mph ESE | 22% |
| Friday Night | 61°F | Mostly Cloudy then Chance Rain Showers | 6 mph ESE | 26% |
| Saturday | 69°F | Chance Rain Showers | 9 mph SE | 32% |
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 Sep 20, 2026.