Newton, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newton, a city in Harvey County, Kansas.
Overnight
72°F
Slight Chance Rain Showers
A slight chance of rain showers after 5am. Mostly clear, with a low around 72. South southeast wind around 10 mph. Chance of precipitation is 20%.
7-day forecast for Newton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Slight Chance Rain Showers | 10 mph SSE | 15% |
| Tuesday | 96°F | Slight Chance Rain Showers then Mostly Sunny | 9 mph S | 19% |
| Tuesday Night | 72°F | Partly Cloudy | 9 mph E | 10% |
| Wednesday | 90°F | Slight Chance Showers And Thunderstorms | 8 mph N | 20% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 7 to 10 mph NNE | 31% |
| Thursday | 88°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 mph E | 31% |
| Thursday Night | 69°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 8 mph SSE | 80% |
| Friday | 91°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 9 mph S | 80% |
| Friday Night | 71°F | Mostly Clear | 9 mph SSE | 5% |
| Saturday | 94°F | Sunny | 8 to 12 mph S | 5% |
| Saturday Night | 74°F | Clear | 14 mph S | 1% |
| Sunday | 95°F | Sunny | 15 mph SSW | 0% |
| Sunday Night | 75°F | Mostly Clear | 15 mph S | 1% |
| Monday | 96°F | Sunny | 16 mph SSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Newton (38.038, -97.345). Updated through the day.
Growing snapshot for Newton
Last spring frost
Apr 14
First fall frost
Oct 25
Growing season
193 days
Hardiness zone
6b
More local growing data for Newton: nearby ZIP 67117 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Newton, Ks (3.6 mi from Newton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.