Weather for Oshkosh, Wisconsin
Current Weather
Five Day Weather Forecast
Sun
H: 73°F
L: 43°F
Mon
H: 65°F
L: 44°F
Tue
H: 51°F
L: 40°F
Wed
H: 49°F
L: 38°F
Thu
H: 51°F
L: 39°F
Air Quality
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 74 μg/m3
Astronomical
Sun Transit: 12:51 AM
Sunset: 8:00 PM
Daylight: 14 hrs 17 mins
Moon Transit: 1:56 AM
Moonset: 6:15 AM
Moon Phase: Full
Moon Illumination: 94.4%
Best Times for Fishing or Hunting
Major Periods
1:26 AM - 3:56 AM2:03 PM - 4:33 PM
Minor Periods
10:07 PM - 11:37 PM5:45 AM - 7:15 AM
Action Rating: 4 out of 5
Flood Warning issued May 2 at 10:05AM CDT by NWS Green Bay WI
Effective: Sat May 2, 2026, 10:05 AM
Expires: Sun May 3, 2026, 12:00 AM
...The Flood Warning continues for the following rivers in Wisconsin... Fox River at Lake Winnebago at Oshkosh affecting Winnebago County. * WHAT...Minor flooding is occurring. This approaches the flood of record. * WHERE...Fox River at Lake Winnebago at Oshkosh. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 9:15 AM CDT Saturday the stage was 3.8 feet. - Bankfull stage is 3.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:15 AM CDT Saturday was 3.8 feet. - Forecast...No forecast is available for this location. - Flood stage is 3.7 feet. - http://www.weather.gov/safety/flood
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/grb The next statement will be issued late tonight by midnight CDT.
Flood Warning issued May 2 at 9:35PM CDT by NWS Green Bay WI
Effective: Sat May 2, 2026, 9:35 PM
Expires: Sun May 3, 2026, 12:45 PM
...The Flood Warning continues for the following rivers in Wisconsin... Fox River at Lake Winnebago at Oshkosh affecting Winnebago County. * WHAT...Minor flooding is occurring. * WHERE...Fox River at Lake Winnebago at Oshkosh. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 9:15 PM CDT Saturday the stage was 3.8 feet. - Bankfull stage is 3.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:15 PM CDT Saturday was 3.8 feet. - Forecast...No forecast is available for this location. - Flood stage is 3.7 feet. - http://www.weather.gov/safety/flood
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/grb The next statement will be issued Sunday afternoon by 1245 PM CDT.
Flood Warning issued May 2 at 4:22PM CDT by NWS Milwaukee/Sullivan WI
Effective: Sat May 2, 2026, 4:22 PM
Expires: Sun May 3, 2026, 4:30 AM
...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Rock and Winnebago Counties. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. * WHAT...Minor flooding is occurring. * WHERE...ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 4:00 PM CDT Saturday the stage was 10.4 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:00 PM CDT Saturday was 10.5 feet. - Forecast...No forecast is available for this location. - Flood stage is 10.0 feet. - http://www.weather.gov/safety/flood
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov. The next statement will be issued late tonight at 430 AM CDT.
Flood Warning issued May 2 at 9:26PM CDT by NWS Milwaukee/Sullivan WI
Effective: Sat May 2, 2026, 9:26 PM
Expires: Sun May 3, 2026, 9:30 AM
...The Flood Warning is extended for the following river in Wisconsin... Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. ...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Afton affecting Rock and Winnebago Counties. Rock River At Newville affecting Rock County. Rock River At Fort Atkinson affecting Jefferson County. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. * WHAT...Minor flooding is occurring. * WHERE...ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 9:00 PM CDT Saturday the stage was 10.4 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Saturday was 10.5 feet. - Forecast...No forecast is available for this location. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 10.4 feet on 05/04/2017. - http://www.weather.gov/safety/flood
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov. The next statement will be issued Sunday morning at 930 AM CDT.
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.57 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 80.52 μg/m3
Astronomical
Sun Transit: 12:51 AM
Sunset: 8:00 PM
Daylight: 14 hrs 17 mins
Moon Transit: 1:56 AM
Moonset: 6:15 AM
Moon Phase: Full
Moon Illumination: 94.4%
Best Times for Fishing or Hunting
Major Periods
1:26 AM - 3:56 AM2:03 PM - 4:33 PM
Minor Periods
10:07 PM - 11:37 PM5:45 AM - 7:15 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.65 μg/m3
Sulphur Dioxide: 1.61 μg/m3
Ozone: 85.92 μg/m3
Astronomical
Sun Transit: 12:50 AM
Sunset: 8:01 PM
Daylight: 14 hrs 20 mins
Moon Transit: 2:46 AM
Moonset: 6:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.0%
Best Times for Fishing or Hunting
Major Periods
2:16 AM - 4:46 AM2:54 PM - 5:24 PM
Minor Periods
12:00 AM - 12:00 AM6:24 AM - 7:54 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.59 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 74.28 μg/m3
Astronomical
Sun Transit: 12:50 AM
Sunset: 8:02 PM
Daylight: 14 hrs 23 mins
Moon Transit: 3:37 AM
Moonset: 7:41 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%
Best Times for Fishing or Hunting
Major Periods
3:07 AM - 5:37 AM3:45 PM - 6:15 PM
Minor Periods
7:11 AM - 8:41 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.78 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 73.28 μg/m3
Astronomical
Sun Transit: 12:50 AM
Sunset: 8:04 PM
Daylight: 14 hrs 25 mins
Moon Transit: 4:29 AM
Moonset: 8:37 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%
Best Times for Fishing or Hunting
Major Periods
3:59 AM - 6:29 AM4:36 PM - 7:06 PM
Minor Periods
8:07 AM - 9:37 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.82 μg/m3
Sulphur Dioxide: 2.28 μg/m3
Ozone: 62.15 μg/m3
Astronomical
Sun Transit: 12:50 AM
Sunset: 8:05 PM
Daylight: 14 hrs 28 mins
Moon Transit: 5:19 AM
Moonset: 9:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%
Best Times for Fishing or Hunting
Major Periods
4:49 AM - 7:19 AM5:26 PM - 7:56 PM
Minor Periods
9:09 AM - 10:39 AM12:35 AM - 2:05 AM
Action Rating: 3 out of 5