As of 21:25 CDT

Weather in Chambersburg, MO

72°Current weather

Chambersburg, Saturday, 8 August, 21:25

Mostly clear. Feels like 73°. High 85°, low 67°.

Pressure30.00 inHg
Wind6.7 mph SE
Humidity87%
Visibility6.2 mi
Dew point68°

Monthly outlook for Chambersburg, MO: average high 83.6°, average low 65.6°. That is 0° below the climate normal for August. Precipitation is expected on 4 days (about 1.9 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 11 August (97.8°), the coolest 21 August (52.3°).

83.6°/65.6°
Average high / low
−0°
Below normal
4 / 5
Wet days / normal
1.9 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
8 August – 17 August84.7°83.7°+0.6°
18 August – 27 August81.8°83.7°-1.1°
28 August – 6 Septemberat normal81.7°

August records over 66 years

101.8°2 August 2011All-time high
47.7°29 August 1986All-time low

Climate normals and records are computed from the nearest reference point — Wyaconda (11 mi).

Sun, 0993° / 71°0Partly cloudy
93 °Partly cloudy

Chambersburg, Sunday, 9 August

Partly cloudy. High 93°, low 71°.

Pressure29.83 inHg
Wind14.6 mph S
Humidity47%
Visibility6.2 mi
Dew point68°
Mon, 1095° / 74°0Overcast
95 °Overcast

Chambersburg, Monday, 10 August

Overcast. High 95°, low 74°.

Pressure29.85 inHg
Wind9.4 mph W
Humidity46%
Visibility6.2 mi
Dew point68°
Tue, 1198° / 79°0Overcast
98 °Overcast

Chambersburg, Tuesday, 11 August

Overcast. High 98°, low 79°.

Pressure29.77 inHg
Wind12.9 mph SW
Humidity47%
Visibility6.2 mi
Dew point67°
Wed, 1287° / 69°0.21Light rain
87 °Light rain

Chambersburg, Wednesday, 12 August

Light rain. High 87°, low 69°.

Pressure29.88 inHg
Wind5.6 mph NW
Humidity73%
Visibility6.2 mi
Dew point72°
Thu, 1378° / 67°1.38Heavy rain
78 °Heavy rain

Chambersburg, Thursday, 13 August

Heavy rain. High 78°, low 67°.

Pressure29.91 inHg
Wind14.4 mph E
Humidity91%
Visibility
Dew point71°
Fri, 1479° / 63°0.02Light rain
79 °Light rain

Chambersburg, Friday, 14 August

Light rain. High 79°, low 63°.

Pressure30.06 inHg
Wind13.6 mph E
Humidity65%
Visibility
Dew point63°
Sat, 1569° / 65°0.17Light rain
69 °Light rain

Chambersburg, Saturday, 15 August

Light rain. High 69°, low 65°.

Pressure30.18 inHg
Wind17.7 mph E
Humidity85%
Visibility
Dew point64°
Sun, 1678° / 64°0.01Light rain
78 °Light rain

Chambersburg, Sunday, 16 August

Light rain. High 78°, low 64°.

Pressure30.12 inHg
Wind9.7 mph E
Humidity81%
Visibility
Dew point64°
Mon, 1784° / 68°0.03Light rain
84 °Light rain

Chambersburg, Monday, 17 August

Light rain. High 84°, low 68°.

Pressure30.06 inHg
Wind6.1 mph SE
Humidity65%
Visibility
Dew point66°
Tue, 1887° / 67°0Overcast
87 °Overcast

Chambersburg, Tuesday, 18 August

Overcast. High 87°, low 67°.

Pressure30.00 inHg
Wind8.9 mph S
Humidity62%
Visibility
Dew point67°
Wed, 1979° / 64°0Overcast
79 °Overcast

Chambersburg, Wednesday, 19 August

Overcast. High 79°, low 64°.

Pressure29.97 inHg
Wind12.5 mph NE
Humidity55%
Visibility
Dew point58°
Thu, 2075° / 54°0Overcast
75 °Overcast

Chambersburg, Thursday, 20 August

Overcast. High 75°, low 54°.

Pressure30.06 inHg
Wind16.2 mph NE
Humidity47%
Visibility
Dew point51°
Fri, 2173° / 52°0Overcast
73 °Overcast

Chambersburg, Friday, 21 August

Overcast. High 73°, low 52°.

Pressure30.06 inHg
Wind11 mph SE
Humidity49%
Visibility
Dew point50°
Sat, 2286° / 61°0.08Light rain
86 °Light rain

Chambersburg, Saturday, 22 August

Light rain. High 86°, low 61°.

Pressure29.83 inHg
Wind11.3 mph SE
Humidity65%
Visibility
Dew point64°
Sun, 2391° / 66°0Partly cloudy
91 °Partly cloudy

Chambersburg, Sunday, 23 August

Partly cloudy. High 91°, low 66°.

Pressure29.94 inHg
Wind9.1 mph SW
Humidity46%
Visibility
Dew point62°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2483° / 67°0.08Climate normal
83 °Climate normal

Chambersburg, Monday, 24 August

Climate normal for this date — 60-year average.

Average high83°
Average low67°
Average precipitation0.08 in
Chance of precipitation15%
Record high99° (2023)
Record low54° (1966)
Tue, 2584° / 67°0.13Climate normal
84 °Climate normal

Chambersburg, Tuesday, 25 August

Climate normal for this date — 60-year average.

Average high84°
Average low67°
Average precipitation0.13 in
Chance of precipitation32%
Record high99° (2003)
Record low52° (1966)
Wed, 2684° / 67°0.17Climate normal
84 °Climate normal

Chambersburg, Wednesday, 26 August

Climate normal for this date — 60-year average.

Average high84°
Average low67°
Average precipitation0.17 in
Chance of precipitation33%
Record high100° (2003)
Record low52° (2025)
Thu, 2784° / 68°0.08Climate normal
84 °Climate normal

Chambersburg, Thursday, 27 August

Climate normal for this date — 60-year average.

Average high84°
Average low68°
Average precipitation0.08 in
Chance of precipitation25%
Record high98° (2024)
Record low55° (2025)
Fri, 2883° / 66°0.07Climate normal
83 °Climate normal

Chambersburg, Friday, 28 August

Climate normal for this date — 60-year average.

Average high83°
Average low66°
Average precipitation0.07 in
Chance of precipitation25%
Record high96° (2013)
Record low48° (1986)
Sat, 2983° / 66°0.12Climate normal
83 °Climate normal

Chambersburg, Saturday, 29 August

Climate normal for this date — 60-year average.

Average high83°
Average low66°
Average precipitation0.12 in
Chance of precipitation27%
Record high95° (1983)
Record low48° (1986)
Sun, 3082° / 66°0.09Climate normal
82 °Climate normal

Chambersburg, Sunday, 30 August

Climate normal for this date — 60-year average.

Average high82°
Average low66°
Average precipitation0.09 in
Chance of precipitation25%
Record high99° (2013)
Record low52° (2009)
Mon, 3182° / 65°0.14Climate normal
82 °Climate normal

Chambersburg, Monday, 31 August

Climate normal for this date — 60-year average.

Average high82°
Average low65°
Average precipitation0.14 in
Chance of precipitation23%
Record high95° (2000)
Record low52° (1967)
Tue, 0182° / 65°0.16Climate normal
82 °Climate normal

Chambersburg, Tuesday, 1 September

Climate normal for this date — 60-year average.

Average high82°
Average low65°
Average precipitation0.16 in
Chance of precipitation22%
Record high97° (2011)
Record low48° (1967)
Wed, 0282° / 65°0.07Climate normal
82 °Climate normal

Chambersburg, Wednesday, 2 September

Climate normal for this date — 60-year average.

Average high82°
Average low65°
Average precipitation0.07 in
Chance of precipitation25%
Record high94° (1960)
Record low51° (1974)
Thu, 0381° / 65°0.08Climate normal
81 °Climate normal

Chambersburg, Thursday, 3 September

Climate normal for this date — 60-year average.

Average high81°
Average low65°
Average precipitation0.08 in
Chance of precipitation28%
Record high96° (1960)
Record low47° (1974)
Fri, 0480° / 63°0.09Climate normal
80 °Climate normal

Chambersburg, Friday, 4 September

Climate normal for this date — 60-year average.

Average high80°
Average low63°
Average precipitation0.09 in
Chance of precipitation20%
Record high96° (1960)
Record low42° (1974)
Sat, 0581° / 63°0.05Climate normal
81 °Climate normal

Chambersburg, Saturday, 5 September

Climate normal for this date — 60-year average.

Average high81°
Average low63°
Average precipitation0.05 in
Chance of precipitation15%
Record high95° (1960)
Record low48° (1974)
Sun, 0680° / 64°0.12Climate normal
80 °Climate normal

Chambersburg, Sunday, 6 September

Climate normal for this date — 60-year average.

Average high80°
Average low64°
Average precipitation0.12 in
Chance of precipitation22%
Record high96° (1960)
Record low48° (1962)

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 Chambersburg, 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 Chambersburg, 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.