Monthly outlook for Shady Grove, MO: average high 102.9°, average low 74.9°. That is 9.3° above the climate normal for August. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 17 August (107.6°), the coolest 22 August (65.9°).
102.9°/74.9°
Average high / low
+9.3°
Above normal
4 / 5
Wet days / normal
0.6 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 August – 18 August
103.5°
86.1°
+9.6°
19 August – 28 August
102°
86.3°
+8.7°
29 August – 7 September
at normal
83.5°
—
August records over 66 years
104.9°20 August 2023All-time high
50.2°29 August 1986All-time low
Climate normals and records are computed from the nearest reference point — Richland (7 mi).
Mon, 1097° / 75°0
97 °
Shady Grove, Monday, 10 August
Mostly clear. High 97°, low 75°.
Pressure29.94 inHg
Wind13.8 mph SW
Humidity38%
Visibility6.2 mi
Dew point66°
Tue, 11104° / 77°0.02
104 °
Shady Grove, Tuesday, 11 August
Light rain. High 104°, low 77°.
Pressure29.88 inHg
Wind14.9 mph SW
Humidity35%
Visibility6.2 mi
Dew point65°
Wed, 12105° / 73°0.29
105 °
Shady Grove, Wednesday, 12 August
Rain. High 105°, low 73°.
Pressure29.83 inHg
Wind10.2 mph W
Humidity31%
Visibility6.2 mi
Dew point63°
Thu, 13104° / 71°0.06
104 °
Shady Grove, Thursday, 13 August
Light rain. High 104°, low 71°.
Pressure29.88 inHg
Wind9.1 mph S
Humidity63%
Visibility6.2 mi
Dew point68°
Fri, 14107° / 83°0
107 °
Shady Grove, Friday, 14 August
Partly cloudy. High 107°, low 83°.
Pressure29.88 inHg
Wind13.3 mph SW
Humidity24%
Visibility—
Dew point57°
Sat, 15107° / 82°0
107 °
Shady Grove, Saturday, 15 August
Clear. High 107°, low 82°.
Pressure29.97 inHg
Wind14.6 mph SW
Humidity21%
Visibility—
Dew point54°
Sun, 16104° / 80°0
104 °
Shady Grove, Sunday, 16 August
Partly cloudy. High 104°, low 80°.
Pressure29.94 inHg
Wind14.1 mph SW
Humidity26%
Visibility—
Dew point58°
Mon, 17108° / 78°0
108 °
Shady Grove, Monday, 17 August
Mostly clear. High 108°, low 78°.
Pressure29.88 inHg
Wind16.3 mph SW
Humidity16%
Visibility—
Dew point48°
Tue, 18106° / 82°0
106 °
Shady Grove, Tuesday, 18 August
Overcast. High 106°, low 82°.
Pressure29.91 inHg
Wind14.1 mph W
Humidity17%
Visibility—
Dew point49°
Wed, 19107° / 76°0.05
107 °
Shady Grove, Wednesday, 19 August
Light rain. High 107°, low 76°.
Pressure29.94 inHg
Wind12.8 mph SE
Humidity24%
Visibility—
Dew point57°
Thu, 20107° / 77°0.02
107 °
Shady Grove, Thursday, 20 August
Light rain. High 107°, low 77°.
Pressure29.83 inHg
Wind12.8 mph NW
Humidity22%
Visibility—
Dew point55°
Fri, 2198° / 71°0.01
98 °
Shady Grove, Friday, 21 August
Light rain. High 98°, low 71°.
Pressure29.85 inHg
Wind12.6 mph N
Humidity28%
Visibility—
Dew point56°
Sat, 2295° / 66°0
95 °
Shady Grove, Saturday, 22 August
Clear. High 95°, low 66°.
Pressure29.97 inHg
Wind9.2 mph N
Humidity29%
Visibility—
Dew point52°
Sun, 23102° / 68°0.09
102 °
Shady Grove, Sunday, 23 August
Light rain. High 102°, low 68°.
Pressure29.94 inHg
Wind14.9 mph SW
Humidity26%
Visibility—
Dew point54°
Mon, 24102° / 68°0
102 °
Shady Grove, Monday, 24 August
Light rain. High 102°, low 68°.
Pressure30.00 inHg
Wind8.1 mph SW
Humidity31%
Visibility—
Dew point60°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2587° / 68°0.05
87 °
Shady Grove, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high87°
Average low68°
Average precipitation0.05 in
Chance of precipitation28%
Record high99° (2023)
Record low57° (1961)
Wed, 2687° / 68°0.11
87 °
Shady Grove, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high87°
Average low68°
Average precipitation0.11 in
Chance of precipitation25%
Record high99° (1983)
Record low54° (2025)
Thu, 2786° / 68°0.13
86 °
Shady Grove, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high86°
Average low68°
Average precipitation0.13 in
Chance of precipitation30%
Record high99° (1983)
Record low56° (2025)
Fri, 2885° / 68°0.1
85 °
Shady Grove, Friday, 28 August
Climate normal for this date — 60-year average.
Average high85°
Average low68°
Average precipitation0.1 in
Chance of precipitation27%
Record high100° (2000)
Record low53° (1986)
Sat, 2985° / 67°0.12
85 °
Shady Grove, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high85°
Average low67°
Average precipitation0.12 in
Chance of precipitation33%
Record high101° (1984)
Record low50° (1986)
Sun, 3085° / 67°0.12
85 °
Shady Grove, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high85°
Average low67°
Average precipitation0.12 in
Chance of precipitation37%
Record high99° (2000)
Record low54° (1986)
Mon, 3184° / 67°0.14
84 °
Shady Grove, Monday, 31 August
Climate normal for this date — 60-year average.
Average high84°
Average low67°
Average precipitation0.14 in
Chance of precipitation27%
Record high100° (2000)
Record low54° (2009)
Tue, 0183° / 66°0.09
83 °
Shady Grove, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high83°
Average low66°
Average precipitation0.09 in
Chance of precipitation32%
Record high99° (2000)
Record low52° (1967)
Wed, 0283° / 66°0.13
83 °
Shady Grove, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high83°
Average low66°
Average precipitation0.13 in
Chance of precipitation35%
Record high99° (2000)
Record low50° (1974)
Thu, 0383° / 66°0.09
83 °
Shady Grove, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high83°
Average low66°
Average precipitation0.09 in
Chance of precipitation28%
Record high97° (2000)
Record low48° (1974)
Fri, 0483° / 65°0.09
83 °
Shady Grove, Friday, 4 September
Climate normal for this date — 60-year average.
Average high83°
Average low65°
Average precipitation0.09 in
Chance of precipitation23%
Record high96° (1998)
Record low46° (1974)
Sat, 0583° / 65°0.05
83 °
Shady Grove, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high83°
Average low65°
Average precipitation0.05 in
Chance of precipitation25%
Record high97° (1998)
Record low50° (1974)
Sun, 0683° / 64°0.05
83 °
Shady Grove, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high83°
Average low64°
Average precipitation0.05 in
Chance of precipitation20%
Record high98° (1990)
Record low50° (1974)
Mon, 0783° / 64°0.07
83 °
Shady Grove, Monday, 7 September
Climate normal for this date — 60-year average.
Average high83°
Average low64°
Average precipitation0.07 in
Chance of precipitation32%
Record high95° (1998)
Record low50° (2017)
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 Shady Grove, MO 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 Shady Grove, MO 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.