Wellsburg, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wellsburg, a city in Grundy County, Iowa.
Today
79°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 79, with temperatures falling to around 75 in the afternoon. West northwest wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Wellsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Chance Showers And Thunderstorms | 8 mph WNW | 44% |
| Tonight | 59°F | Showers And Thunderstorms Likely | 5 to 8 mph N | 73% |
| Wednesday | 74°F | Chance Showers And Thunderstorms then Partly Sunny | 5 mph NNE | 33% |
| Wednesday Night | 54°F | Mostly Clear | 3 mph NNE | 12% |
| Thursday | 80°F | Sunny | 2 mph E | 1% |
| Thursday Night | 59°F | Mostly Clear | 3 mph SSE | 0% |
| Friday | 83°F | Sunny | 2 to 8 mph S | 8% |
| Friday Night | 65°F | Mostly Clear | 7 mph S | 13% |
| Saturday | 86°F | Sunny | 5 to 9 mph S | 12% |
| Saturday Night | 70°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 9 to 13 mph SSW | 16% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph S | 16% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 9 mph SSE | 34% |
| Monday | 86°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 to 10 mph S | 34% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 7 to 13 mph E | 33% |
Forecast source: National Weather Service (api.weather.gov) for Wellsburg (42.434, -92.927). Updated through the day.
Growing snapshot for Wellsburg
Last spring frost
Apr 29
First fall frost
Oct 9
Growing season
160 days
Hardiness zone
5a
More local growing data for Wellsburg: nearby ZIP 50680 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Grundy Ctr, Ia (9.8 mi from Wellsburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.