As of 17:55 EDT

Weather in McDonald, PA

83°Current weather

McDonald, Saturday, 8 August, 17:55

Partly cloudy. Feels like 90°. High 83°, low 68°.

Pressure29.97 inHg
Wind9.5 mph SW
Humidity76%
Visibility6.2 mi
Dew point75°

Monthly outlook for McDonald, PA: average high 78°, average low 60.3°. That is 1.2° below the climate normal for August. Precipitation is expected on 8 days (about 1.7 inches), against a normal of 7 days and 2.2 inches. The warmest day looks like 10 August (86.8°), the coolest 15 August (50.9°).

78°/60.3°
Average high / low
−1.2°
Below normal
8 / 7
Wet days / normal
1.7 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
8 August – 17 August78.9°80.6°-1°
18 August – 27 August76.6°79.8°-1.8°
28 August – 6 Septemberat normal78.7°

August records over 66 years

96.6°17 August 1988All-time high
45°29 August 1982All-time low

Climate normals and records are computed from the nearest reference point — Pittsburgh (14 mi).

Sun, 0986° / 66°0.02Light rain
86 °Light rain

McDonald, Sunday, 9 August

Light rain. High 86°, low 66°.

Pressure30.06 inHg
Wind5.5 mph SW
Humidity53%
Visibility6.2 mi
Dew point61°
Mon, 1087° / 66°0.34Rain
87 °Rain

McDonald, Monday, 10 August

Rain. High 87°, low 66°.

Pressure30.03 inHg
Wind10.8 mph S
Humidity84%
Visibility6.2 mi
Dew point71°
Tue, 1184° / 65°0.45Rain
84 °Rain

McDonald, Tuesday, 11 August

Rain. High 84°, low 65°.

Pressure29.97 inHg
Wind8.7 mph W
Humidity67%
Visibility6.2 mi
Dew point68°
Wed, 1273° / 65°0.15Light rain
73 °Light rain

McDonald, Wednesday, 12 August

Light rain. High 73°, low 65°.

Pressure29.83 inHg
Wind9 mph SW
Humidity95%
Visibility6.2 mi
Dew point69°
Thu, 1375° / 64°0.08Light rain
75 °Light rain

McDonald, Thursday, 13 August

Light rain. High 75°, low 64°.

Pressure29.88 inHg
Wind10.4 mph N
Humidity70%
Visibility
Dew point62°
Fri, 1473° / 55°0Clear
73 °Clear

McDonald, Friday, 14 August

Clear. High 73°, low 55°.

Pressure30.03 inHg
Wind7.9 mph N
Humidity45%
Visibility
Dew point49°
Sat, 1572° / 51°0Partly cloudy
72 °Partly cloudy

McDonald, Saturday, 15 August

Partly cloudy. High 72°, low 51°.

Pressure30.27 inHg
Wind7.6 mph N
Humidity44%
Visibility
Dew point47°
Sun, 1676° / 53°0Partly cloudy
76 °Partly cloudy

McDonald, Sunday, 16 August

Partly cloudy. High 76°, low 53°.

Pressure30.27 inHg
Wind5.3 mph E
Humidity42%
Visibility
Dew point48°
Mon, 1780° / 57°0Overcast
80 °Overcast

McDonald, Monday, 17 August

Overcast. High 80°, low 57°.

Pressure30.12 inHg
Wind6.2 mph SW
Humidity47%
Visibility
Dew point54°
Tue, 1875° / 64°0.2Light rain
75 °Light rain

McDonald, Tuesday, 18 August

Light rain. High 75°, low 64°.

Pressure29.97 inHg
Wind4.7 mph NW
Humidity89%
Visibility
Dew point66°
Wed, 1979° / 57°0Partly cloudy
79 °Partly cloudy

McDonald, Wednesday, 19 August

Partly cloudy. High 79°, low 57°.

Pressure29.97 inHg
Wind7.1 mph N
Humidity47%
Visibility
Dew point54°
Thu, 2081° / 61°0.05Light rain
81 °Light rain

McDonald, Thursday, 20 August

Light rain. High 81°, low 61°.

Pressure29.94 inHg
Wind4.7 mph E
Humidity56%
Visibility
Dew point60°
Fri, 2176° / 63°0.07Light rain
76 °Light rain

McDonald, Friday, 21 August

Light rain. High 76°, low 63°.

Pressure29.83 inHg
Wind8.3 mph NW
Humidity78%
Visibility
Dew point67°
Sat, 2280° / 59°0.03Light rain
80 °Light rain

McDonald, Saturday, 22 August

Light rain. High 80°, low 59°.

Pressure29.83 inHg
Wind9.4 mph N
Humidity50%
Visibility
Dew point57°
Sun, 2370° / 51°0Clear
70 °Clear

McDonald, Sunday, 23 August

Clear. High 70°, low 51°.

Pressure30.12 inHg
Wind9.8 mph N
Humidity42%
Visibility
Dew point41°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2479° / 62°0.05Climate normal
79 °Climate normal

McDonald, Monday, 24 August

Climate normal for this date — 60-year average.

Average high79°
Average low62°
Average precipitation0.05 in
Chance of precipitation27%
Record high92° (2007)
Record low49° (1971)
Tue, 2580° / 62°0.09Climate normal
80 °Climate normal

McDonald, Tuesday, 25 August

Climate normal for this date — 60-year average.

Average high80°
Average low62°
Average precipitation0.09 in
Chance of precipitation28%
Record high90° (1993)
Record low51° (1977)
Wed, 2680° / 62°0.09Climate normal
80 °Climate normal

McDonald, Wednesday, 26 August

Climate normal for this date — 60-year average.

Average high80°
Average low62°
Average precipitation0.09 in
Chance of precipitation32%
Record high93° (1993)
Record low53° (1963)
Thu, 2781° / 64°0.13Climate normal
81 °Climate normal

McDonald, Thursday, 27 August

Climate normal for this date — 60-year average.

Average high81°
Average low64°
Average precipitation0.13 in
Chance of precipitation43%
Record high93° (2024)
Record low52° (1969)
Fri, 2880° / 64°0.19Climate normal
80 °Climate normal

McDonald, Friday, 28 August

Climate normal for this date — 60-year average.

Average high80°
Average low64°
Average precipitation0.19 in
Chance of precipitation40%
Record high92° (1973)
Record low50° (1968)
Sat, 2980° / 63°0.12Climate normal
80 °Climate normal

McDonald, Saturday, 29 August

Climate normal for this date — 60-year average.

Average high80°
Average low63°
Average precipitation0.12 in
Chance of precipitation40%
Record high91° (1991)
Record low45° (1982)
Sun, 3079° / 62°0.14Climate normal
79 °Climate normal

McDonald, Sunday, 30 August

Climate normal for this date — 60-year average.

Average high79°
Average low62°
Average precipitation0.14 in
Chance of precipitation28%
Record high92° (1993)
Record low47° (1986)
Mon, 3178° / 62°0.16Climate normal
78 °Climate normal

McDonald, Monday, 31 August

Climate normal for this date — 60-year average.

Average high78°
Average low62°
Average precipitation0.16 in
Chance of precipitation37%
Record high93° (2012)
Record low51° (1976)
Tue, 0178° / 61°0.11Climate normal
78 °Climate normal

McDonald, Tuesday, 1 September

Climate normal for this date — 60-year average.

Average high78°
Average low61°
Average precipitation0.11 in
Chance of precipitation23%
Record high91° (2010)
Record low47° (1967)
Wed, 0279° / 61°0.13Climate normal
79 °Climate normal

McDonald, Wednesday, 2 September

Climate normal for this date — 60-year average.

Average high79°
Average low61°
Average precipitation0.13 in
Chance of precipitation42%
Record high93° (2010)
Record low49° (1967)
Thu, 0379° / 61°0.1Climate normal
79 °Climate normal

McDonald, Thursday, 3 September

Climate normal for this date — 60-year average.

Average high79°
Average low61°
Average precipitation0.1 in
Chance of precipitation35%
Record high94° (2011)
Record low48° (1967)
Fri, 0478° / 62°0.09Climate normal
78 °Climate normal

McDonald, Friday, 4 September

Climate normal for this date — 60-year average.

Average high78°
Average low62°
Average precipitation0.09 in
Chance of precipitation35%
Record high91° (2023)
Record low48° (1997)
Sat, 0578° / 60°0.12Climate normal
78 °Climate normal

McDonald, Saturday, 5 September

Climate normal for this date — 60-year average.

Average high78°
Average low60°
Average precipitation0.12 in
Chance of precipitation33%
Record high91° (2023)
Record low48° (1997)
Sun, 0678° / 60°0.14Climate normal
78 °Climate normal

McDonald, Sunday, 6 September

Climate normal for this date — 60-year average.

Average high78°
Average low60°
Average precipitation0.14 in
Chance of precipitation32%
Record high92° (2023)
Record low46° (1984)

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 McDonald, PA 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 McDonald, PA 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.