Omro, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Omro, a city in Winnebago County, Wisconsin.
This Afternoon
63°F
Isolated Rain Showers
Isolated rain showers. Mostly cloudy. High near 63, with temperatures falling to around 55 in the afternoon. Southwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
7-day forecast for Omro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Isolated Rain Showers | 14 mph SW | 21% |
| Tonight | 45°F | Cloudy then Chance Rain Showers | 12 mph SW | 60% |
| Thursday | 53°F | Rain Showers | 9 to 16 mph WNW | 78% |
| Thursday Night | 33°F | Mostly Cloudy | 14 mph NNW | 2% |
| Friday | 46°F | Partly Sunny | 8 to 15 mph NNW | 1% |
| Friday Night | 27°F | Mostly Clear | 5 to 8 mph NNW | 0% |
| Saturday | 50°F | Sunny | 7 mph WNW | 0% |
| Saturday Night | 32°F | Mostly Clear | 3 to 7 mph W | 1% |
| Sunday | 56°F | Sunny | 7 to 10 mph W | 1% |
| Sunday Night | 33°F | Mostly Clear | 6 mph W | 0% |
| Monday | 60°F | Mostly Sunny | 5 to 12 mph SW | 0% |
| Monday Night | 38°F | Mostly Clear | 5 to 9 mph W | 1% |
| Tuesday | 59°F | Sunny | 7 mph WNW | 0% |
| Tuesday Night | 35°F | Partly Cloudy | 3 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Omro (44.039, -88.737). Updated through the day.
Growing snapshot for Omro
Last spring frost
May 1
First fall frost
Oct 8
Growing season
158 days
Hardiness zone
5b
More local growing data for Omro: nearby ZIP 54963 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Berlin Wwtp, Wi (9.5 mi from Omro). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.