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As of 21:56 EDT

Weather in Northumberland, PA

77°Current weather

Northumberland, Saturday, 8 August, 21:56

Clear. Feels like 78°. High 83°, low 69°.

Pressure29.97 inHg
Wind2.5 mph W
Humidity85%
Visibility6.2 mi
Dew point72°
Sun, 0985° / 70°0.02Light rain
85 °Light rain

Northumberland, Sunday, 9 August

Light rain. High 85°, low 70°.

Pressure30.03 inHg
Wind6.7 mph NW
Humidity50%
Visibility6.2 mi
Dew point63°
Mon, 1085° / 68°0.01Light rain
85 °Light rain

Northumberland, Monday, 10 August

Light rain. High 85°, low 68°.

Pressure30.00 inHg
Wind4.8 mph SW
Humidity68%
Visibility6.2 mi
Dew point65°
Tue, 1189° / 68°0.05Light rain
89 °Light rain

Northumberland, Tuesday, 11 August

Light rain. High 89°, low 68°.

Pressure29.91 inHg
Wind6.7 mph NW
Humidity57%
Visibility6.2 mi
Dew point66°
Wed, 1284° / 67°0.22Light rain
84 °Light rain

Northumberland, Wednesday, 12 August

Light rain. High 84°, low 67°.

Pressure29.74 inHg
Wind6.7 mph NW
Humidity73%
Visibility6.2 mi
Dew point69°
Thu, 1378° / 58°0.01Light rain
78 °Light rain

Northumberland, Thursday, 13 August

Light rain. High 78°, low 58°.

Pressure29.83 inHg
Wind11.2 mph NW
Humidity33%
Visibility—
Dew point45°
Fri, 1476° / 52°0Clear
76 °Clear

Northumberland, Friday, 14 August

Clear. High 76°, low 52°.

Pressure30.03 inHg
Wind10.4 mph N
Humidity35%
Visibility—
Dew point44°
Sat, 1578° / 52°0Clear
78 °Clear

Northumberland, Saturday, 15 August

Clear. High 78°, low 52°.

Pressure30.18 inHg
Wind11.5 mph N
Humidity36%
Visibility—
Dew point46°
Sun, 1679° / 52°0Overcast
79 °Overcast

Northumberland, Sunday, 16 August

Overcast. High 79°, low 52°.

Pressure30.18 inHg
Wind3.8 mph E
Humidity41%
Visibility—
Dew point50°
Mon, 1771° / 58°0.02Light rain
71 °Light rain

Northumberland, Monday, 17 August

Light rain. High 71°, low 58°.

Pressure30.09 inHg
Wind9.6 mph S
Humidity69%
Visibility—
Dew point60°
Tue, 1869° / 64°0.01Light rain
69 °Light rain

Northumberland, Tuesday, 18 August

Light rain. High 69°, low 64°.

Pressure30.06 inHg
Wind7.1 mph SE
Humidity89%
Visibility—
Dew point64°
Wed, 1979° / 65°0.33Rain
79 °Rain

Northumberland, Wednesday, 19 August

Rain. High 79°, low 65°.

Pressure29.88 inHg
Wind10.9 mph S
Humidity77%
Visibility—
Dew point66°
Thu, 2075° / 64°0.14Rain
75 °Rain

Northumberland, Thursday, 20 August

Rain. High 75°, low 64°.

Pressure29.68 inHg
Wind14.5 mph NW
Humidity50%
Visibility—
Dew point54°
Fri, 2177° / 54°0Clear
77 °Clear

Northumberland, Friday, 21 August

Clear. High 77°, low 54°.

Pressure29.88 inHg
Wind13.5 mph NW
Humidity32%
Visibility—
Dew point43°
Sat, 2278° / 48°0Partly cloudy
78 °Partly cloudy

Northumberland, Saturday, 22 August

Partly cloudy. High 78°, low 48°.

Pressure30.06 inHg
Wind3.2 mph NW
Humidity32%
Visibility—
Dew point42°
Sun, 2385° / 61°0.01Light rain
85 °Light rain

Northumberland, Sunday, 23 August

Light rain. High 85°, low 61°.

Pressure29.91 inHg
Wind9.6 mph S
Humidity49%
Visibility—
Dew point60°

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 Northumberland, 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 Northumberland, 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.