Marshfield, Wisconsin Weather
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Climate of Marshfield: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Marshfield, with average daytime highs around 27°C. January is the coolest, when nights typically fall to about -15°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 42°C, so the seasons feel very different from each other.
The area receives about 900 mm of rain in a typical year. Most of it falls from May to June and August, and June is the wettest month at roughly 127 mm.
For outdoor plans and travel, July and September usually offer the most comfortable weather in Marshfield, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | -6° | -15° | 27 mm | 91% |
| Feb | -4° | -14° | 33 mm | 89% |
| Mar | 4° | -6° | 52 mm | 81% |
| Apr | 12° | 0° | 87 mm | 75% |
| May | 19° | 7° | 112 mm | 75% |
| Jun | 24° | 13° | 127 mm | 77% |
| Jul | 27° | 16° | 92 mm | 75% |
| Aug | 26° | 15° | 103 mm | 75% |
| Sep | 22° | 10° | 95 mm | 76% |
| Oct | 13° | 3° | 79 mm | 78% |
| Nov | 5° | -3° | 46 mm | 83% |
| Dec | -3° | -11° | 45 mm | 90% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Marshfield. Values describe typical conditions, not a forecast.
About Marshfield weather
Marshfield sits within Wisconsin's humid continental climate, with cold winters shaped by its Great Lakes location, about 188 km north of Madison. Conditions turn hot with warm summers (June–August) with highs in the high 20s°C. By December, expect cold, snowy winters (December–February) with lake-effect snow near Lake Michigan. This page shows live, auto-refreshing weather for Marshfield: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Chicago.
Frequently asked questions
Marshfield is about 188 km north of Madison, in Wisconsin.
Marshfield sees cold, snowy winters (December–February) with lake-effect snow near Lake Michigan.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Marshfield's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Marshfield, with average daytime highs of about 27°C and nights around 16°C.
The coldest nights come in January, when the average low is about -15°C and daytime highs reach around -6°C. Frost is possible on clear, calm nights.
Marshfield receives about 900 mm of rain in a typical year. June is the wettest month at roughly 127 mm, and the main rainy period is May to June and August.
July and September usually offer the most comfortable weather in Marshfield, with mild daytime temperatures and little rain.
In November Marshfield typically sees daytime highs near 5°C and lows near -3°C, with about 46 mm of rain over the month and average humidity around 83%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for Marshfield is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Marshfield's day-to-day weather follows the broader pattern of Wisconsin described above. See the hourly weather forecast or the air quality index for more detail.