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As of 22:47 EDT

Weather in Monaca, PA

74°Current weather

Monaca, Saturday, 8 August, 22:47

Partly cloudy. Feels like 75°. High 85°, low 69°.

Pressure30.00 inHg
Wind4.1 mph W
Humidity96%
Visibility6.2 mi
Dew point72°
Sun, 0987° / 68°0Clear
87 °Clear

Monaca, Sunday, 9 August

Clear. High 87°, low 68°.

Pressure30.06 inHg
Wind4.1 mph W
Humidity47%
Visibility6.2 mi
Dew point59°
Mon, 1087° / 69°1.57Heavy rain
87 °Heavy rain

Monaca, Monday, 10 August

Heavy rain. High 87°, low 69°.

Pressure30.00 inHg
Wind10.1 mph SW
Humidity79%
Visibility6.2 mi
Dew point69°
Tue, 1182° / 65°0.2Rain
82 °Rain

Monaca, Tuesday, 11 August

Rain. High 82°, low 65°.

Pressure29.94 inHg
Wind7 mph SW
Humidity66%
Visibility6.2 mi
Dew point67°
Wed, 1281° / 68°0.04Light rain
81 °Light rain

Monaca, Wednesday, 12 August

Light rain. High 81°, low 68°.

Pressure29.80 inHg
Wind7.9 mph W
Humidity86%
Visibility6.2 mi
Dew point69°
Thu, 1375° / 59°0Light rain
75 °Light rain

Monaca, Thursday, 13 August

Light rain. High 75°, low 59°.

Pressure29.94 inHg
Wind11.6 mph NW
Humidity40%
Visibility—
Dew point48°
Fri, 1477° / 54°0Clear
77 °Clear

Monaca, Friday, 14 August

Clear. High 77°, low 54°.

Pressure30.06 inHg
Wind5.6 mph NW
Humidity41%
Visibility—
Dew point49°
Sat, 1577° / 55°0Partly cloudy
77 °Partly cloudy

Monaca, Saturday, 15 August

Partly cloudy. High 77°, low 55°.

Pressure30.24 inHg
Wind6.7 mph N
Humidity41%
Visibility—
Dew point50°
Sun, 1681° / 53°0Partly cloudy
81 °Partly cloudy

Monaca, Sunday, 16 August

Partly cloudy. High 81°, low 53°.

Pressure30.15 inHg
Wind2.7 mph E
Humidity40%
Visibility—
Dew point51°
Mon, 1774° / 59°0.01Light rain
74 °Light rain

Monaca, Monday, 17 August

Light rain. High 74°, low 59°.

Pressure30.06 inHg
Wind3.7 mph SW
Humidity73%
Visibility—
Dew point59°
Tue, 1884° / 58°0Clear
84 °Clear

Monaca, Tuesday, 18 August

Clear. High 84°, low 58°.

Pressure30.00 inHg
Wind2.1 mph N
Humidity48%
Visibility—
Dew point60°
Wed, 1986° / 64°0.29Rain
86 °Rain

Monaca, Wednesday, 19 August

Rain. High 86°, low 64°.

Pressure29.83 inHg
Wind9 mph W
Humidity47%
Visibility—
Dew point61°
Thu, 2070° / 59°0.06Light rain
70 °Light rain

Monaca, Thursday, 20 August

Light rain. High 70°, low 59°.

Pressure29.83 inHg
Wind11.5 mph NW
Humidity68%
Visibility—
Dew point58°
Fri, 2176° / 52°0Clear
76 °Clear

Monaca, Friday, 21 August

Clear. High 76°, low 52°.

Pressure30.00 inHg
Wind9.5 mph N
Humidity40%
Visibility—
Dew point47°
Sat, 2278° / 51°0.02Light rain
78 °Light rain

Monaca, Saturday, 22 August

Light rain. High 78°, low 51°.

Pressure30.03 inHg
Wind6.1 mph S
Humidity33%
Visibility—
Dew point44°
Sun, 2389° / 64°0.01Light rain
89 °Light rain

Monaca, Sunday, 23 August

Light rain. High 89°, low 64°.

Pressure29.91 inHg
Wind9.6 mph SW
Humidity71%
Visibility—
Dew point68°

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 Monaca, 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 Monaca, 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.