Wisconsin weather in August: Statewide normals and every place, NOAA 1991-2020
In August, Wisconsin's statewide normal high is 78°F and normal low 56°F; normal highs run from 71°F in Laona to 83°F in Lake Geneva (NOAA 1991-2020 normals).
- Statewide normal high
- 78°FAugust, 1991-2020
- Statewide normal low
- 56°FAugust, 1991-2020
- Statewide normal precipitation
- 3.90 inAugust
- Warmest place
- 83°Fnormal high, Lake Geneva
- Coolest place
- 71°Fnormal high, Laona
Where is Wisconsin warmest and wettest in August?
Lake Geneva has the warmest August afternoons (83°F) and Laona the coolest (71°F). Ellsworth gets the most precipitation (5.04 in) and Ephraim the least (3.03 in).
Statewide, August averaged 69.2°F in 2021, 67.5°F in 2022, 67.7°F in 2023, 67.8°F in 2024, 66.6°F in 2025, 67.7°F in 2026, against a 1991-2020 normal of 67.2°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Milwaukee | 80°F | 64°F | 3.65 | 0.0 |
| Madison | 80°F | 60°F | 4.16 | 0.0 |
| Green Bay | 79°F | 58°F | 3.39 | 0.0 |
| Kenosha | 82°F | 61°F | 3.56 | – |
| Racine | 80°F | 63°F | 3.35 | – |
| Appleton | 79°F | 60°F | 3.58 | 0.0 |
| Eau Claire | 80°F | 58°F | 4.18 | 0.0 |
| Waukesha | 80°F | 59°F | 4.18 | 0.0 |
| Oshkosh | 79°F | 60°F | 3.20 | – |
| West Allis | 83°F | 62°F | 4.34 | 0.0 |
| La Crosse | 83°F | 62°F | 3.90 | 0.0 |
| Sheboygan | 78°F | 57°F | 3.06 | – |
| Wauwatosa | 81°F | 62°F | 3.68 | 0.0 |
| Fond du Lac | 80°F | 59°F | 3.45 | – |
| Brookfield | 79°F | 60°F | 3.97 | – |
| Wausau | 78°F | 57°F | 4.07 | 0.0 |
| Beloit | 78°F | 58°F | 4.14 | 0.0 |
| Manitowoc | 76°F | 60°F | 3.44 | 0.0 |
| West Bend | 79°F | 59°F | 4.05 | – |
| Superior | 75°F | 58°F | 3.92 | 0.0 |
| Stevens Point | 78°F | 58°F | 3.79 | 0.0 |
| Watertown | 80°F | 59°F | 4.11 | 0.0 |
| Germantown | 79°F | 58°F | 3.80 | 0.0 |
| South Milwaukee | 79°F | 64°F | 3.80 | – |
| Oconomowoc | 81°F | 60°F | 4.17 | 0.0 |
| Marshfield | 78°F | 57°F | 3.20 | – |
| Wisconsin Rapids | 80°F | 57°F | 3.83 | – |
| River Falls | 79°F | 56°F | 4.68 | – |
| Ashwaubenon | 78°F | 58°F | 3.34 | 0.0 |
| Menomonie | 80°F | 57°F | 4.02 | 0.0 |
| Beaver Dam | 78°F | 58°F | 4.07 | 0.0 |
| Whitewater | 80°F | 59°F | 4.31 | 0.0 |
| Hartford | 79°F | 56°F | 3.74 | 0.0 |
| Stoughton | 81°F | 59°F | 4.26 | 0.0 |
| Baraboo | 81°F | 58°F | 4.53 | 0.0 |
| Port Washington | 78°F | 62°F | 3.68 | 0.0 |
| Grafton | 80°F | 61°F | 3.77 | – |
| Fort Atkinson | 81°F | 60°F | 3.86 | 0.0 |
| Platteville | 80°F | 60°F | 4.23 | 0.0 |
| Richfield | 81°F | 59°F | 3.69 | – |
| Two Rivers | 76°F | 60°F | 3.23 | 0.0 |
| Marinette | 78°F | 59°F | 3.26 | 0.0 |
| Burlington | 80°F | 58°F | 3.55 | 0.0 |
| Monroe | 80°F | 61°F | 4.46 | 0.0 |
| Reedsburg | 80°F | 58°F | 4.74 | 0.0 |
| Portage | 80°F | 59°F | 4.12 | 0.0 |
| Sparta | 80°F | 57°F | 4.30 | – |
| Sturgeon Bay | 77°F | 58°F | 3.32 | 0.0 |
| Shawano | 79°F | 56°F | 3.60 | 0.0 |
| Merrill | 78°F | 55°F | 4.05 | 0.0 |
| Delavan | 81°F | 59°F | 3.87 | – |
| Rice Lake | 80°F | 56°F | 4.21 | 0.0 |
| Plymouth | 79°F | 59°F | 3.69 | 0.0 |
| Lake Geneva | 83°F | 61°F | 3.32 | 0.0 |
| Rhinelander | 77°F | 52°F | 3.09 | – |
| Jackson | 80°F | 59°F | 3.31 | – |
| Antigo | 76°F | 55°F | 3.40 | 0.0 |
| Ashland | 77°F | 53°F | 3.44 | – |
| Hales Corners | 81°F | 59°F | 3.79 | – |
| Jefferson | 80°F | 61°F | 4.30 | – |
| Ripon | 78°F | 59°F | 3.23 | 0.0 |
| New London | 79°F | 58°F | 3.73 | 0.0 |
| Lake Mills | 81°F | 61°F | 4.50 | 0.0 |
| Slinger | 78°F | 56°F | 3.89 | – |
| Waupaca | 80°F | 57°F | 3.86 | 0.0 |
| Berlin | 80°F | 58°F | 3.64 | – |
| Prairie du Chien | 81°F | 61°F | 4.15 | 0.0 |
| Union Grove | 79°F | 58°F | 3.82 | 0.0 |
| Dodgeville | 80°F | 58°F | 4.39 | 0.0 |
| Richland Center | 80°F | 57°F | 4.92 | 0.0 |
| Oconto | 79°F | 57°F | 3.33 | 0.0 |
| Medford | 77°F | 55°F | 4.30 | 0.0 |
| Clintonville | 79°F | 57°F | 3.74 | 0.0 |
| Viroqua | 77°F | 57°F | 4.58 | 0.0 |
| Baldwin | 77°F | 57°F | 4.92 | 0.0 |
| Saukville | 77°F | 57°F | 3.95 | – |
| Chilton | 80°F | 59°F | 3.60 | 0.0 |
| Mauston | 80°F | 58°F | 4.47 | 0.0 |
| Lancaster | 79°F | 60°F | 3.86 | 0.0 |
| Horicon | 78°F | 58°F | 3.70 | 0.0 |
| Stanley | 79°F | 57°F | 4.25 | 0.0 |
| Rochester | 81°F | 58°F | 3.77 | – |
| Bloomer | 79°F | 57°F | 3.98 | 0.0 |
| Waterloo | 81°F | 59°F | 4.14 | – |
| Sauk City | 80°F | 58°F | 4.12 | – |
| Peshtigo | 78°F | 55°F | 3.52 | 0.0 |
| Ellsworth | 78°F | 55°F | 5.04 | – |
| Brillion | 79°F | 56°F | 3.28 | 0.0 |
| Boscobel | 83°F | 59°F | 4.07 | – |
| Brodhead | 81°F | 59°F | 4.35 | 0.0 |
| Lodi | 81°F | 59°F | 4.35 | – |
| Ladysmith | 77°F | 52°F | 4.20 | 0.0 |
| Wisconsin Dells | 81°F | 57°F | 4.22 | 0.0 |
| Paddock Lake | 80°F | 59°F | 3.56 | – |
| Amery | 79°F | 58°F | 4.16 | – |
| Denmark | 78°F | 58°F | 3.49 | 0.0 |
| Mondovi | 82°F | 58°F | 4.89 | 0.0 |
| Kewaunee | 75°F | 60°F | 3.42 | 0.0 |
| Hayward | 78°F | 53°F | 4.05 | – |
| Belgium | 78°F | 59°F | 3.26 | – |
| Spooner | 78°F | 56°F | 3.90 | 0.0 |
| Darlington | 81°F | 58°F | 4.36 | 0.0 |
| Neillsville | 78°F | 56°F | 4.36 | 0.0 |
| Park Falls | 76°F | 55°F | 3.82 | – |
| St. Croix Falls | 80°F | 59°F | 3.69 | 0.0 |
| Clinton | 80°F | 59°F | 4.17 | 0.0 |
| Cumberland | 77°F | 57°F | 4.40 | 0.0 |
| Durand | 80°F | 59°F | 4.51 | – |
| Trempealeau | 80°F | 61°F | 4.09 | 0.0 |
| Mazomanie | 81°F | 57°F | 3.26 | 0.0 |
| Hurley | 76°F | 54°F | 3.72 | 0.0 |
| Augusta | 79°F | 57°F | 4.42 | – |
| Montello | 80°F | 58°F | 4.14 | 0.0 |
| Hillsboro | 81°F | 58°F | 4.15 | 0.0 |
| Markesan | 80°F | 56°F | 4.15 | – |
| Grantsburg | 80°F | 56°F | 4.45 | 0.0 |
| Blair | 79°F | 56°F | 4.64 | 0.0 |
| Cashton | 79°F | 61°F | 4.10 | 0.0 |
| Crivitz | 78°F | 53°F | 3.21 | 0.0 |
| Hustisford | 80°F | 58°F | – | – |
| Luck | 79°F | 58°F | 4.28 | 0.0 |
| Hingham | 78°F | 60°F | 3.47 | 0.0 |
| Necedah | 79°F | 58°F | 4.46 | – |
| Owen | 77°F | 54°F | 4.42 | 0.0 |
| Lone Rock | 81°F | 59°F | 4.17 | – |
| Arlington | 80°F | 58°F | 3.80 | 0.0 |
| Alma | 79°F | 61°F | 5.00 | 0.0 |
| Mellen | 76°F | 54°F | 3.32 | 0.0 |
| Solon Springs | 80°F | 56°F | – | – |
| Friendship | 81°F | 57°F | 4.35 | 0.0 |
| Sullivan | 80°F | 59°F | 3.97 | 0.0 |
| Bayfield | 76°F | 55°F | 3.59 | – |
| Prentice | 77°F | 52°F | 3.86 | – |
| Minong | 77°F | 57°F | – | – |
| Laona | 71°F | 54°F | 3.20 | 0.0 |
| Suring | 77°F | 55°F | 3.23 | 0.0 |
| Gays Mills | 82°F | 59°F | 4.43 | 0.0 |
| Forestville | 76°F | 59°F | 3.79 | 0.0 |
| Rosholt | 79°F | 57°F | 4.02 | – |
| Minocqua | 75°F | 52°F | 3.65 | 0.0 |
| Hancock | 79°F | 57°F | 4.02 | 0.0 |
| Florence | 76°F | 53°F | 3.06 | 0.0 |
| Butternut | 76°F | 52°F | 3.71 | – |
| Rock Springs | 77°F | 61°F | – | – |
| Ephraim | 78°F | 57°F | 3.03 | 0.0 |
| Winter | 76°F | 54°F | 3.99 | 0.0 |
| Lakewood | 76°F | 53°F | 3.14 | 0.0 |
| Ridgeland | 78°F | 55°F | 4.51 | 0.0 |
| Jim Falls | 79°F | 57°F | 3.60 | – |
| Holcombe | 77°F | 56°F | 4.26 | – |
| Genoa | 82°F | 62°F | 4.82 | 0.0 |
| Weyerhaeuser | 78°F | 56°F | 4.04 | 0.0 |
| Dalton | 82°F | 58°F | 3.72 | 0.0 |
| Dodge | 81°F | 58°F | 4.32 | 0.0 |
| Brule | 75°F | 54°F | 4.47 | – |
| Goodman | 75°F | 53°F | – | – |
| Drummond | 75°F | 55°F | 3.52 | 0.0 |
| Port Wing | 76°F | 56°F | – | – |
| Lynxville | 80°F | 61°F | 3.82 | 0.0 |
| Steuben | 80°F | 61°F | 4.17 | 0.0 |
| Gordon | 77°F | 54°F | 4.18 | 0.0 |
| Danbury | 78°F | 56°F | 3.89 | 0.0 |
| Couderay | 77°F | 53°F | 4.51 | 0.0 |
| Saxon | 76°F | 55°F | 3.81 | 0.0 |
| Clam Lake | 75°F | 54°F | 4.27 | – |
| Afton - Janesville Wastewater Treatment Plant | 82°F | 60°F | 4.34 | 0.0 |
| Big Falls Hydro | 77°F | 56°F | 4.19 | – |
| Charmany Farm | 80°F | 60°F | 4.11 | 0.0 |
| Eagle River | 75°F | 52°F | 3.20 | 0.0 |
| Foxboro | 76°F | 53°F | – | – |
| Jump River (3 mi E) | 77°F | 54°F | 4.21 | 0.0 |
| Madeline Island | 76°F | 56°F | 3.17 | 0.0 |
| Mather (3 mi NW) | 79°F | 56°F | 4.34 | 0.0 |
| North Pelican | 75°F | 51°F | – | – |
| Pattison Ranger Staion | 77°F | 56°F | 3.86 | – |
| Pell Lake | 80°F | 57°F | 3.88 | – |
| Rest Lake | 76°F | 53°F | 3.30 | 0.0 |
| Rice Reservoir Tomahawk-2 | 74°F | 55°F | 3.43 | – |
| St Germain | 73°F | 55°F | 3.34 | 0.0 |
| Stockbridge-Munsee Reservation | 77°F | 55°F | – | – |
| Town Of Westford | 79°F | 58°F | 3.75 | – |
| Uw Arboretum - Madison | 81°F | 59°F | 4.08 | – |
| Washington Island | 75°F | 57°F | 3.02 | 0.0 |
| Willow Reservoir | 75°F | 54°F | 3.58 | 0.0 |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.