Monthly outlook for Oak Knoll, WI: average high 75.8°, average low 59.9°. That is 1.5° below the climate normal for August. Precipitation is expected on 6 days (about 2.4 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 10 August (84.5°), the coolest 20 August (51.6°).
75.8°/59.9°
Average high / low
−1.5°
Below normal
6 / 6
Wet days / normal
2.4 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
8 August – 17 August
77.9°
78.7°
-0.5°
18 August – 27 August
72.4°
78.4°
-3.3°
28 August – 6 September
at normal
76.8°
—
August records over 66 years
97.5°16 August 1988All-time high
46.2°28 August 1986All-time low
Climate normals and records are computed from the nearest reference point — North Prairie (6 mi).
Sun, 0976° / 63°0.8
76 °
Oak Knoll, Sunday, 9 August
Heavy rain. High 76°, low 63°.
Pressure29.97 inHg
Wind10.6 mph W
Humidity94%
Visibility6.2 mi
Dew point70°
Mon, 1085° / 68°0.29
85 °
Oak Knoll, Monday, 10 August
Rain. High 85°, low 68°.
Pressure29.91 inHg
Wind5.7 mph SE
Humidity74%
Visibility6.2 mi
Dew point71°
Tue, 1181° / 65°0.98
81 °
Oak Knoll, Tuesday, 11 August
Heavy rain. High 81°, low 65°.
Pressure29.80 inHg
Wind5 mph E
Humidity82%
Visibility6.2 mi
Dew point70°
Wed, 1279° / 63°0
79 °
Oak Knoll, Wednesday, 12 August
Overcast. High 79°, low 63°.
Pressure29.85 inHg
Wind10.2 mph NW
Humidity71%
Visibility6.2 mi
Dew point68°
Thu, 1370° / 59°0
70 °
Oak Knoll, Thursday, 13 August
Overcast. High 70°, low 59°.
Pressure30.03 inHg
Wind9 mph NE
Humidity66%
Visibility—
Dew point56°
Fri, 1477° / 55°0
77 °
Oak Knoll, Friday, 14 August
Mostly clear. High 77°, low 55°.
Pressure30.12 inHg
Wind6.1 mph SE
Humidity52%
Visibility—
Dew point55°
Sat, 1575° / 58°0.02
75 °
Oak Knoll, Saturday, 15 August
Light rain. High 75°, low 58°.
Pressure30.27 inHg
Wind6.6 mph SW
Humidity58%
Visibility—
Dew point58°
Sun, 1675° / 56°0
75 °
Oak Knoll, Sunday, 16 August
Overcast. High 75°, low 56°.
Pressure30.15 inHg
Wind4.3 mph SE
Humidity62%
Visibility—
Dew point59°
Mon, 1779° / 62°0
79 °
Oak Knoll, Monday, 17 August
Mostly clear. High 79°, low 62°.
Pressure30.03 inHg
Wind5.9 mph SW
Humidity64%
Visibility—
Dew point62°
Tue, 1883° / 66°0.01
83 °
Oak Knoll, Tuesday, 18 August
Light rain. High 83°, low 66°.
Pressure29.94 inHg
Wind14.7 mph SW
Humidity63%
Visibility—
Dew point66°
Wed, 1972° / 59°0.01
72 °
Oak Knoll, Wednesday, 19 August
Light rain. High 72°, low 59°.
Pressure29.91 inHg
Wind19.1 mph NW
Humidity69%
Visibility—
Dew point58°
Thu, 2068° / 52°0
68 °
Oak Knoll, Thursday, 20 August
Overcast. High 68°, low 52°.
Pressure30.06 inHg
Wind10.3 mph N
Humidity55%
Visibility—
Dew point49°
Fri, 2172° / 52°0
72 °
Oak Knoll, Friday, 21 August
Clear. High 72°, low 52°.
Pressure30.09 inHg
Wind8 mph E
Humidity50%
Visibility—
Dew point50°
Sat, 2264° / 53°0.23
64 °
Oak Knoll, Saturday, 22 August
Rain. High 64°, low 53°.
Pressure29.91 inHg
Wind10.6 mph SE
Humidity96%
Visibility—
Dew point57°
Sun, 2376° / 63°0.04
76 °
Oak Knoll, Sunday, 23 August
Light rain. High 76°, low 63°.
Pressure29.88 inHg
Wind16.5 mph W
Humidity58%
Visibility—
Dew point58°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2478° / 64°0.11
78 °
Oak Knoll, Monday, 24 August
Climate normal for this date — 60-year average.
Average high78°
Average low64°
Average precipitation0.11 in
Chance of precipitation27%
Record high97° (2023)
Record low51° (1977)
Tue, 2579° / 64°0.12
79 °
Oak Knoll, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high79°
Average low64°
Average precipitation0.12 in
Chance of precipitation27%
Record high90° (2003)
Record low51° (2025)
Wed, 2679° / 64°0.15
79 °
Oak Knoll, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high79°
Average low64°
Average precipitation0.15 in
Chance of precipitation38%
Record high92° (2024)
Record low49° (2025)
Thu, 2779° / 65°0.11
79 °
Oak Knoll, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high79°
Average low65°
Average precipitation0.11 in
Chance of precipitation33%
Record high93° (1976)
Record low51° (2025)
Fri, 2878° / 64°0.13
78 °
Oak Knoll, Friday, 28 August
Climate normal for this date — 60-year average.
Average high78°
Average low64°
Average precipitation0.13 in
Chance of precipitation37%
Record high91° (1984)
Record low46° (1986)
Sat, 2978° / 63°0.11
78 °
Oak Knoll, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high78°
Average low63°
Average precipitation0.11 in
Chance of precipitation28%
Record high92° (1984)
Record low47° (1965)
Sun, 3077° / 63°0.07
77 °
Oak Knoll, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high77°
Average low63°
Average precipitation0.07 in
Chance of precipitation32%
Record high91° (2013)
Record low52° (2009)
Mon, 3177° / 62°0.03
77 °
Oak Knoll, Monday, 31 August
Climate normal for this date — 60-year average.
Average high77°
Average low62°
Average precipitation0.03 in
Chance of precipitation15%
Record high90° (2012)
Record low50° (2025)
Tue, 0177° / 62°0.08
77 °
Oak Knoll, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high77°
Average low62°
Average precipitation0.08 in
Chance of precipitation23%
Record high90° (2011)
Record low48° (1967)
Wed, 0277° / 62°0.06
77 °
Oak Knoll, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high77°
Average low62°
Average precipitation0.06 in
Chance of precipitation23%
Record high92° (2008)
Record low49° (2025)
Thu, 0376° / 62°0.09
76 °
Oak Knoll, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high76°
Average low62°
Average precipitation0.09 in
Chance of precipitation28%
Record high92° (2023)
Record low47° (1974)
Fri, 0476° / 61°0.07
76 °
Oak Knoll, Friday, 4 September
Climate normal for this date — 60-year average.
Average high76°
Average low61°
Average precipitation0.07 in
Chance of precipitation27%
Record high90° (2023)
Record low45° (2025)
Sat, 0575° / 60°0.07
75 °
Oak Knoll, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high75°
Average low60°
Average precipitation0.07 in
Chance of precipitation23%
Record high89° (2023)
Record low48° (1962)
Sun, 0676° / 61°0.07
76 °
Oak Knoll, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high76°
Average low61°
Average precipitation0.07 in
Chance of precipitation32%
Record high91° (1990)
Record low46° (2025)
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 Oak Knoll, 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 Oak Knoll, 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.