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As of 17:30 CDT

Weather in Onalaska, WI

81°Current weather

Onalaska, Saturday, 8 August, 17:30

Clear. Feels like 82°. High 81°, low 59°.

Pressure29.97 inHg
Wind3 mph SW
Humidity54%
Visibility6.2 mi
Dew point63°
Sun, 0976° / 65°1.36Heavy rain
76 °Heavy rain

Onalaska, Sunday, 9 August

Heavy rain. High 76°, low 65°.

Pressure29.83 inHg
Wind4.7 mph SE
Humidity80%
Visibility6.2 mi
Dew point68°
Mon, 1087° / 71°0Light rain
87 °Light rain

Onalaska, Monday, 10 August

Light rain. High 87°, low 71°.

Pressure29.85 inHg
Wind5.7 mph E
Humidity65%
Visibility6.2 mi
Dew point70°
Tue, 1185° / 70°0.55Heavy rain
85 °Heavy rain

Onalaska, Tuesday, 11 August

Heavy rain. High 85°, low 70°.

Pressure29.80 inHg
Wind3.3 mph S
Humidity67%
Visibility6.2 mi
Dew point72°
Wed, 1283° / 63°0.08Light rain
83 °Light rain

Onalaska, Wednesday, 12 August

Light rain. High 83°, low 63°.

Pressure29.88 inHg
Wind4.6 mph N
Humidity55%
Visibility6.2 mi
Dew point64°
Thu, 1376° / 60°0.14Light rain
76 °Light rain

Onalaska, Thursday, 13 August

Light rain. High 76°, low 60°.

Pressure30.00 inHg
Wind7.7 mph NE
Humidity44%
Visibility—
Dew point49°
Fri, 1475° / 52°0Clear
75 °Clear

Onalaska, Friday, 14 August

Clear. High 75°, low 52°.

Pressure30.21 inHg
Wind4.2 mph E
Humidity45%
Visibility—
Dew point49°
Sat, 1578° / 55°0Overcast
78 °Overcast

Onalaska, Saturday, 15 August

Overcast. High 78°, low 55°.

Pressure30.24 inHg
Wind9.7 mph S
Humidity50%
Visibility—
Dew point54°
Sun, 1679° / 58°0Overcast
79 °Overcast

Onalaska, Sunday, 16 August

Overcast. High 79°, low 58°.

Pressure30.09 inHg
Wind12.3 mph S
Humidity58%
Visibility—
Dew point60°
Mon, 1782° / 65°0.06Light rain
82 °Light rain

Onalaska, Monday, 17 August

Light rain. High 82°, low 65°.

Pressure29.97 inHg
Wind7.1 mph NW
Humidity69%
Visibility—
Dew point68°
Tue, 1886° / 63°0.03Light rain
86 °Light rain

Onalaska, Tuesday, 18 August

Light rain. High 86°, low 63°.

Pressure30.03 inHg
Wind8.8 mph S
Humidity58%
Visibility—
Dew point62°
Wed, 1972° / 67°0.43Rain
72 °Rain

Onalaska, Wednesday, 19 August

Rain. High 72°, low 67°.

Pressure29.91 inHg
Wind7.1 mph S
Humidity93%
Visibility—
Dew point69°
Thu, 2082° / 60°0Mostly clear
82 °Mostly clear

Onalaska, Thursday, 20 August

Mostly clear. High 82°, low 60°.

Pressure29.97 inHg
Wind6.4 mph N
Humidity49%
Visibility—
Dew point56°
Fri, 2183° / 59°0Mostly clear
83 °Mostly clear

Onalaska, Friday, 21 August

Mostly clear. High 83°, low 59°.

Pressure29.97 inHg
Wind5.9 mph S
Humidity59%
Visibility—
Dew point62°
Sat, 2272° / 54°0.07Light rain
72 °Light rain

Onalaska, Saturday, 22 August

Light rain. High 72°, low 54°.

Pressure30.06 inHg
Wind13.6 mph NE
Humidity39%
Visibility—
Dew point42°
Sun, 2370° / 42°0Partly cloudy
70 °Partly cloudy

Onalaska, Sunday, 23 August

Partly cloudy. High 70°, low 42°.

Pressure30.27 inHg
Wind5.3 mph E
Humidity38%
Visibility—
Dew point37°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Onalaska, WI are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Onalaska, WI since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.