Monthly outlook for Rio Creek, WI: average high 78.1°, average low 60.8°. That is 2.3° above the climate normal for August. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 20 August (100.3°), the coolest 15 August (52.3°).
78.1°/60.8°
Average high / low
+2.3°
Above normal
3 / 5
Wet days / normal
0.4 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 August – 18 August
76°
74.2°
+1°
19 August – 28 August
81.4°
73.7°
+4.3°
29 August – 7 September
at normal
72°
—
August records over 66 years
89.8°3 August 2023All-time high
48.2°29 August 2025All-time low
Climate normals and records are computed from the nearest reference point — Algoma (5 mi).
Mon, 1086° / 65°0
86 °
Rio Creek, Monday, 10 August
Overcast. High 86°, low 65°.
Pressure29.91 inHg
Wind5.3 mph NW
Humidity48%
Visibility6.2 mi
Dew point59°
Tue, 1177° / 63°0.09
77 °
Rio Creek, Tuesday, 11 August
Light rain. High 77°, low 63°.
Pressure29.85 inHg
Wind11.7 mph S
Humidity92%
Visibility6.2 mi
Dew point65°
Wed, 1280° / 63°0
80 °
Rio Creek, Wednesday, 12 August
Mostly clear. High 80°, low 63°.
Pressure29.83 inHg
Wind7.6 mph NW
Humidity48%
Visibility6.2 mi
Dew point57°
Thu, 1373° / 52°0
73 °
Rio Creek, Thursday, 13 August
Overcast. High 73°, low 52°.
Pressure30.03 inHg
Wind8 mph SE
Humidity36%
Visibility—
Dew point41°
Fri, 1471° / 53°0
71 °
Rio Creek, Friday, 14 August
Overcast. High 71°, low 53°.
Pressure30.21 inHg
Wind10.4 mph E
Humidity39%
Visibility—
Dew point43°
Sat, 1573° / 52°0
73 °
Rio Creek, Saturday, 15 August
Overcast. High 73°, low 52°.
Pressure30.27 inHg
Wind10.2 mph SE
Humidity40%
Visibility—
Dew point45°
Sun, 1669° / 61°0.02
69 °
Rio Creek, Sunday, 16 August
Light rain. High 69°, low 61°.
Pressure30.09 inHg
Wind7.2 mph SW
Humidity80%
Visibility—
Dew point60°
Mon, 1777° / 58°0
77 °
Rio Creek, Monday, 17 August
Partly cloudy. High 77°, low 58°.
Pressure30.09 inHg
Wind9.9 mph NE
Humidity41%
Visibility—
Dew point49°
Tue, 1879° / 57°0
79 °
Rio Creek, Tuesday, 18 August
Overcast. High 79°, low 57°.
Pressure30.03 inHg
Wind12.3 mph SE
Humidity51%
Visibility—
Dew point51°
Wed, 1986° / 63°0
86 °
Rio Creek, Wednesday, 19 August
Overcast. High 86°, low 63°.
Pressure29.88 inHg
Wind16.7 mph S
Humidity47%
Visibility—
Dew point61°
Thu, 20100° / 70°0
100 °
Rio Creek, Thursday, 20 August
Overcast. High 100°, low 70°.
Pressure29.74 inHg
Wind10.2 mph E
Humidity34%
Visibility—
Dew point62°
Fri, 2180° / 64°0
80 °
Rio Creek, Friday, 21 August
Mostly clear. High 80°, low 64°.
Pressure29.97 inHg
Wind12.1 mph E
Humidity50%
Visibility—
Dew point57°
Sat, 2278° / 61°0.03
78 °
Rio Creek, Saturday, 22 August
Light rain. High 78°, low 61°.
Pressure29.94 inHg
Wind16.1 mph NE
Humidity40%
Visibility—
Dew point50°
Sun, 2370° / 64°0.16
70 °
Rio Creek, Sunday, 23 August
Light rain. High 70°, low 64°.
Pressure29.94 inHg
Wind18.6 mph NE
Humidity74%
Visibility—
Dew point60°
Mon, 2474° / 64°0
74 °
Rio Creek, Monday, 24 August
Overcast. High 74°, low 64°.
Pressure30.12 inHg
Wind14 mph E
Humidity57%
Visibility—
Dew point56°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2574° / 66°0.11
74 °
Rio Creek, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high74°
Average low66°
Average precipitation0.11 in
Chance of precipitation27%
Record high85° (2021)
Record low51° (2017)
Wed, 2674° / 67°0.15
74 °
Rio Creek, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high74°
Average low67°
Average precipitation0.15 in
Chance of precipitation45%
Record high89° (2020)
Record low51° (2025)
Thu, 2774° / 67°0.23
74 °
Rio Creek, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high74°
Average low67°
Average precipitation0.23 in
Chance of precipitation40%
Record high84° (1973)
Record low50° (2025)
Fri, 2874° / 66°0.11
74 °
Rio Creek, Friday, 28 August
Climate normal for this date — 60-year average.
Average high74°
Average low66°
Average precipitation0.11 in
Chance of precipitation35%
Record high86° (2021)
Record low53° (1986)
Sat, 2973° / 66°0.1
73 °
Rio Creek, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high73°
Average low66°
Average precipitation0.1 in
Chance of precipitation40%
Record high84° (2022)
Record low48° (2025)
Sun, 3073° / 65°0.08
73 °
Rio Creek, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high73°
Average low65°
Average precipitation0.08 in
Chance of precipitation32%
Record high83° (1991)
Record low49° (2025)
Mon, 3172° / 65°0.04
72 °
Rio Creek, Monday, 31 August
Climate normal for this date — 60-year average.
Average high72°
Average low65°
Average precipitation0.04 in
Chance of precipitation25%
Record high81° (2022)
Record low51° (2023)
Tue, 0172° / 65°0.12
72 °
Rio Creek, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high72°
Average low65°
Average precipitation0.12 in
Chance of precipitation28%
Record high83° (1990)
Record low52° (2020)
Wed, 0272° / 65°0.09
72 °
Rio Creek, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high72°
Average low65°
Average precipitation0.09 in
Chance of precipitation30%
Record high82° (2018)
Record low50° (2017)
Thu, 0372° / 65°0.09
72 °
Rio Creek, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high72°
Average low65°
Average precipitation0.09 in
Chance of precipitation30%
Record high92° (2023)
Record low52° (2025)
Fri, 0472° / 64°0.07
72 °
Rio Creek, Friday, 4 September
Climate normal for this date — 60-year average.
Average high72°
Average low64°
Average precipitation0.07 in
Chance of precipitation25%
Record high87° (2023)
Record low46° (2025)
Sat, 0571° / 64°0.1
71 °
Rio Creek, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high71°
Average low64°
Average precipitation0.1 in
Chance of precipitation30%
Record high80° (1995)
Record low49° (2025)
Sun, 0671° / 64°0.09
71 °
Rio Creek, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high71°
Average low64°
Average precipitation0.09 in
Chance of precipitation28%
Record high81° (1990)
Record low49° (2025)
Mon, 0771° / 63°0.09
71 °
Rio Creek, Monday, 7 September
Climate normal for this date — 60-year average.
Average high71°
Average low63°
Average precipitation0.09 in
Chance of precipitation35%
Record high82° (1960)
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 Rio Creek, 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 Rio Creek, 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.