Sylvan Grove, KS Weather & Growing Conditions
Today
88°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. East northeast wind 7 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Slight Chance Showers And Thunderstorms | 7 to 12 mph ENE | 17% |
| Tonight | 63°F | Slight Chance Showers And Thunderstorms | 9 to 14 mph NNE | 22% |
| Wednesday | 82°F | Chance Showers And Thunderstorms | 10 mph NNE | 25% |
| Wednesday Night | 62°F | Partly Cloudy | 5 to 10 mph NE | 10% |
| Thursday | 88°F | Mostly Sunny | 5 to 9 mph E | 11% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms | 5 to 9 mph SE | 44% |
| Friday | 95°F | Chance Showers And Thunderstorms then Sunny | 5 to 8 mph SSE | 44% |
| Friday Night | 70°F | Clear | 6 to 9 mph SSE | 3% |
| Saturday | 98°F | Sunny | 6 to 14 mph S | 3% |
| Saturday Night | 75°F | Mostly Clear | 15 mph S | 1% |
| Sunday | 100°F | Sunny | 14 to 17 mph S | 1% |
| Sunday Night | 76°F | Mostly Clear | 18 mph S | 2% |
| Monday | 100°F | Sunny | 18 mph SSW | 2% |
| Monday Night | 76°F | Mostly Clear | 17 mph S | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sylvan Grove, KS
Last spring frost
Apr 21
First fall frost
Oct 17
Growing season
179 days
Hardiness zone
6b
Explore more for Sylvan Grove, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Wilson Lake, Ks (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.