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Hourly Weather | Today › Tuesday, April 28, 2026
Active Weather Warnings
Oshkosh, Wisconsin
5 AM
Cloudy Weather
50°
Feels Like 41°
40
Humidity: 80%
UV Index: 0
Wind: 15 mph
6 AM
Cloudy Weather
48°
Feels Like 39°
34
Humidity: 80%
UV Index: 0
Wind: 15 mph
7 AM
Cloudy Weather
46°
Feels Like 37°
22
Humidity: 80%
UV Index: 0
Wind: 15 mph
8 AM
Cloudy Weather
46°
Feels Like 37°
0
Humidity: 80%
UV Index: 0
Wind: 15 mph
9 AM
Cloudy Weather
48°
Feels Like 41°
0
Humidity: 72%
UV Index: 1
Wind: 15 mph
10 AM
Cloudy Weather
50°
Feels Like 43°
0
Humidity: 68%
UV Index: 1
Wind: 15 mph
11 AM
Cloudy Weather
52°
Feels Like 46°
0
Humidity: 65%
UV Index: 2
Wind: 14 mph
12 PM
Cloudy Weather
54°
Feels Like 52°
0
Humidity: 60%
UV Index: 3
Wind: 14 mph
1 PM
Cloudy Weather
57°
Feels Like 55°
0
Humidity: 56%
UV Index: 4
Wind: 14 mph
2 PM
Cloudy Weather
57°
Feels Like 57°
0
Humidity: 53%
UV Index: 4
Wind: 14 mph
3 PM
Cloudy Weather
61°
Feels Like 57°
0
Humidity: 50%
UV Index: 3
Wind: 13 mph
4 PM
Cloudy Weather
61°
Feels Like 59°
0
Humidity: 47%
UV Index: 2
Wind: 13 mph
5 PM
Cloudy Weather
61°
Feels Like 57°
0
Humidity: 47%
UV Index: 1
Wind: 12 mph
6 PM
Cloudy Weather
59°
Feels Like 55°
0
Humidity: 48%
UV Index: 1
Wind: 10 mph
7 PM
Cloudy Weather
57°
Feels Like 54°
0
Humidity: 50%
UV Index: 0
Wind: 9 mph
8 PM
Cloudy Weather
55°
Feels Like 52°
7
Humidity: 53%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Weather
54°
Feels Like 50°
7
Humidity: 57%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Weather
52°
Feels Like 48°
7
Humidity: 58%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Weather
50°
Feels Like 48°
7
Humidity: 60%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 AM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.51 µg/m³
  • PM10: 1.6 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 AM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.28 µg/m³
  • PM10: 1.37 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.01 µg/m³
  • PM10: 1.12 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 AM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.8 µg/m³
  • PM10: 0.93 µg/m³
  • O3: 0.036 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 AM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.67 µg/m³
  • PM10: 0.82 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.65 µg/m³
  • PM10: 0.81 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.72 µg/m³
  • PM10: 0.88 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.86 µg/m³
  • PM10: 1.01 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1 µg/m³
  • PM10: 1.15 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.16 µg/m³
  • PM10: 1.29 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.23 µg/m³
  • PM10: 1.36 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.25 µg/m³
  • PM10: 1.4 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.28 µg/m³
  • PM10: 1.45 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.31 µg/m³
  • PM10: 1.51 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.3 µg/m³
  • PM10: 1.55 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.32 µg/m³
  • PM10: 1.63 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.39 µg/m³
  • PM10: 1.75 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.47 µg/m³
  • PM10: 1.87 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.48 µg/m³
  • PM10: 1.9 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Oshkosh

Severe Immediate Observed

Flood Warning

Flood Warning issued April 27 at 8:25PM CDT by NWS Green Bay WI
Apr 27, 8:25 PM → Apr 28, 1:00 PM
...The Flood Warning continues for the following rivers in
Wisconsin...

Fox River at Oshkosh affecting Winnebago County.

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 8:15 PM CDT Monday the stage was 3.8 feet.
- Bankfull stage is 3.3 feet.
- Recent Activity...The maximum river stage in the 24 hours ending
at 8:15 PM CDT Monday was 4.2 feet.
- Forecast...No forecast is available for this location.
- Flood stage is 3.7 feet.
- http://www.weather.gov/safety/flood
+ Read More
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 Tuesday afternoon by 100 PM CDT.
Updated: Apr 28, 3:22 AM Source: NWS Alert

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