As of 22:35 CDT

Weather in Byrnes Mill, MO

78°Current weather

Byrnes Mill, Saturday, 8 August, 22:35

Clear. Feels like 79°. High 90°, low 70°.

Pressure30.00 inHg
Wind3.7 mph SE
Humidity86%
Visibility6.2 mi
Dew point73°

Monthly outlook for Byrnes Mill, MO: average high 89.2°, average low 69.8°. That is 1.4° above the climate normal for August. Precipitation is expected on 9 days (about 2.6 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 11 August (104.8°), the coolest 21 August (60.4°).

89.2°/69.8°
Average high / low
+1.4°
Above normal
9 / 5
Wet days / normal
2.6 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
8 August – 17 August90.4°86.6°+2.1°
18 August – 27 August87.1°86.8°+0.2°
28 August – 6 Septemberat normal84.5°

August records over 66 years

105.3°14 August 2007All-time high
52.3°29 August 1986All-time low

Climate normals and records are computed from the nearest reference point — Pacific (10 mi).

Sun, 0996° / 72°0Overcast
96 °Overcast

Byrnes Mill, Sunday, 9 August

Overcast. High 96°, low 72°.

Pressure29.97 inHg
Wind7.9 mph SW
Humidity45%
Visibility6.2 mi
Dew point69°
Mon, 10103° / 77°0Light rain
103 °Light rain

Byrnes Mill, Monday, 10 August

Light rain. High 103°, low 77°.

Pressure29.94 inHg
Wind9.7 mph SW
Humidity36%
Visibility6.2 mi
Dew point67°
Tue, 11105° / 76°0.04Light rain
105 °Light rain

Byrnes Mill, Tuesday, 11 August

Light rain. High 105°, low 76°.

Pressure29.85 inHg
Wind9.5 mph SW
Humidity33%
Visibility6.2 mi
Dew point65°
Wed, 1290° / 73°0.11Light rain
90 °Light rain

Byrnes Mill, Wednesday, 12 August

Light rain. High 90°, low 73°.

Pressure29.88 inHg
Wind5.3 mph W
Humidity66%
Visibility6.2 mi
Dew point70°
Thu, 1380° / 72°1.79Heavy rain
80 °Heavy rain

Byrnes Mill, Thursday, 13 August

Heavy rain. High 80°, low 72°.

Pressure29.91 inHg
Wind7.4 mph SE
Humidity77%
Visibility
Dew point69°
Fri, 1477° / 71°0.17Light rain
77 °Light rain

Byrnes Mill, Friday, 14 August

Light rain. High 77°, low 71°.

Pressure30.03 inHg
Wind10.3 mph SE
Humidity83%
Visibility
Dew point71°
Sat, 1583° / 67°0.17Light rain
83 °Light rain

Byrnes Mill, Saturday, 15 August

Light rain. High 83°, low 67°.

Pressure30.15 inHg
Wind12.2 mph E
Humidity73%
Visibility
Dew point68°
Sun, 1688° / 69°0Overcast
88 °Overcast

Byrnes Mill, Sunday, 16 August

Overcast. High 88°, low 69°.

Pressure30.06 inHg
Wind8.2 mph E
Humidity62%
Visibility
Dew point69°
Mon, 1790° / 72°0.06Light rain
90 °Light rain

Byrnes Mill, Monday, 17 August

Light rain. High 90°, low 72°.

Pressure30.03 inHg
Wind6.6 mph NE
Humidity59%
Visibility
Dew point69°
Tue, 1879° / 70°0.09Light rain
79 °Light rain

Byrnes Mill, Tuesday, 18 August

Light rain. High 79°, low 70°.

Pressure30.03 inHg
Wind8.7 mph W
Humidity90%
Visibility
Dew point73°
Wed, 1993° / 69°0Overcast
93 °Overcast

Byrnes Mill, Wednesday, 19 August

Overcast. High 93°, low 69°.

Pressure29.88 inHg
Wind9.7 mph N
Humidity43%
Visibility
Dew point63°
Thu, 2081° / 64°0Clear
81 °Clear

Byrnes Mill, Thursday, 20 August

Clear. High 81°, low 64°.

Pressure30.00 inHg
Wind7.7 mph NE
Humidity40%
Visibility
Dew point51°
Fri, 2177° / 60°0.15Light rain
77 °Light rain

Byrnes Mill, Friday, 21 August

Light rain. High 77°, low 60°.

Pressure30.00 inHg
Wind10.2 mph SE
Humidity57%
Visibility
Dew point55°
Sat, 2294° / 63°0.07Light rain
94 °Light rain

Byrnes Mill, Saturday, 22 August

Light rain. High 94°, low 63°.

Pressure29.83 inHg
Wind8.2 mph SE
Humidity46%
Visibility
Dew point64°
Sun, 2398° / 72°0Clear
98 °Clear

Byrnes Mill, Sunday, 23 August

Clear. High 98°, low 72°.

Pressure29.94 inHg
Wind3.4 mph E
Humidity44%
Visibility
Dew point67°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2487° / 68°0.07Climate normal
87 °Climate normal

Byrnes Mill, Monday, 24 August

Climate normal for this date — 60-year average.

Average high87°
Average low68°
Average precipitation0.07 in
Chance of precipitation25%
Record high98° (2011)
Record low58° (2015)
Tue, 2587° / 69°0.07Climate normal
87 °Climate normal

Byrnes Mill, Tuesday, 25 August

Climate normal for this date — 60-year average.

Average high87°
Average low69°
Average precipitation0.07 in
Chance of precipitation22%
Record high100° (2023)
Record low58° (2015)
Wed, 2687° / 69°0.17Climate normal
87 °Climate normal

Byrnes Mill, Wednesday, 26 August

Climate normal for this date — 60-year average.

Average high87°
Average low69°
Average precipitation0.17 in
Chance of precipitation30%
Record high101° (2003)
Record low55° (2025)
Thu, 2787° / 69°0.1Climate normal
87 °Climate normal

Byrnes Mill, Thursday, 27 August

Climate normal for this date — 60-year average.

Average high87°
Average low69°
Average precipitation0.1 in
Chance of precipitation28%
Record high99° (1983)
Record low54° (2025)
Fri, 2887° / 69°0.07Climate normal
87 °Climate normal

Byrnes Mill, Friday, 28 August

Climate normal for this date — 60-year average.

Average high87°
Average low69°
Average precipitation0.07 in
Chance of precipitation27%
Record high99° (2000)
Record low55° (1967)
Sat, 2986° / 68°0.08Climate normal
86 °Climate normal

Byrnes Mill, Saturday, 29 August

Climate normal for this date — 60-year average.

Average high86°
Average low68°
Average precipitation0.08 in
Chance of precipitation33%
Record high99° (1984)
Record low52° (1986)
Sun, 3085° / 68°0.15Climate normal
85 °Climate normal

Byrnes Mill, Sunday, 30 August

Climate normal for this date — 60-year average.

Average high85°
Average low68°
Average precipitation0.15 in
Chance of precipitation30%
Record high99° (2013)
Record low54° (1986)
Mon, 3185° / 68°0.11Climate normal
85 °Climate normal

Byrnes Mill, Monday, 31 August

Climate normal for this date — 60-year average.

Average high85°
Average low68°
Average precipitation0.11 in
Chance of precipitation30%
Record high103° (2013)
Record low56° (1967)
Tue, 0184° / 68°0.11Climate normal
84 °Climate normal

Byrnes Mill, Tuesday, 1 September

Climate normal for this date — 60-year average.

Average high84°
Average low68°
Average precipitation0.11 in
Chance of precipitation35%
Record high100° (2011)
Record low53° (1967)
Wed, 0284° / 67°0.13Climate normal
84 °Climate normal

Byrnes Mill, Wednesday, 2 September

Climate normal for this date — 60-year average.

Average high84°
Average low67°
Average precipitation0.13 in
Chance of precipitation37%
Record high99° (2011)
Record low52° (1974)
Thu, 0384° / 67°0.09Climate normal
84 °Climate normal

Byrnes Mill, Thursday, 3 September

Climate normal for this date — 60-year average.

Average high84°
Average low67°
Average precipitation0.09 in
Chance of precipitation27%
Record high97° (2011)
Record low50° (1974)
Fri, 0483° / 66°0.11Climate normal
83 °Climate normal

Byrnes Mill, Friday, 4 September

Climate normal for this date — 60-year average.

Average high83°
Average low66°
Average precipitation0.11 in
Chance of precipitation25%
Record high97° (1960)
Record low49° (1974)
Sat, 0583° / 66°0.04Climate normal
83 °Climate normal

Byrnes Mill, Saturday, 5 September

Climate normal for this date — 60-year average.

Average high83°
Average low66°
Average precipitation0.04 in
Chance of precipitation22%
Record high98° (1990)
Record low52° (1974)
Sun, 0683° / 65°0.04Climate normal
83 °Climate normal

Byrnes Mill, Sunday, 6 September

Climate normal for this date — 60-year average.

Average high83°
Average low65°
Average precipitation0.04 in
Chance of precipitation27%
Record high100° (1990)
Record low52° (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 Byrnes Mill, 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 Byrnes Mill, 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.