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As of 15:31 EDT

Weather in West Derry, PA

64°Current weather

West Derry, Sunday, 25 October, 15:31

Clear. Feels like 63°. High 64°, low 34°.

Pressure30.45 inHg
Wind1 mph SE
Humidity50%
Visibility6.2 mi
Dew point45°
Mon, 2667° / 38°0Mostly clear
67 °Mostly clear

West Derry, Monday, 26 October

Mostly clear. High 67°, low 38°.

Pressure30.36 inHg
Wind5.6 mph SW
Humidity63%
Visibility6.2 mi
Dew point47°
Tue, 2763° / 43°0Partly cloudy
63 °Partly cloudy

West Derry, Tuesday, 27 October

Partly cloudy. High 63°, low 43°.

Pressure30.39 inHg
Wind0.9 mph N
Humidity75%
Visibility6.2 mi
Dew point50°
Wed, 2868° / 44°0Overcast
68 °Overcast

West Derry, Wednesday, 28 October

Overcast. High 68°, low 44°.

Pressure30.36 inHg
Wind3.9 mph SE
Humidity65%
Visibility6.2 mi
Dew point52°
Thu, 2968° / 49°0Clear
68 °Clear

West Derry, Thursday, 29 October

Clear. High 68°, low 49°.

Pressure30.24 inHg
Wind8.5 mph SW
Humidity61%
Visibility6.2 mi
Dew point50°
Fri, 3062° / 51°0.01Light rain
62 °Light rain

West Derry, Friday, 30 October

Light rain. High 62°, low 51°.

Pressure30.21 inHg
Wind7.1 mph SW
Humidity76%
Visibility—
Dew point51°
Sat, 3169° / 51°0Overcast
69 °Overcast

West Derry, Saturday, 31 October

Overcast. High 69°, low 51°.

Pressure30.24 inHg
Wind4.7 mph NE
Humidity49%
Visibility—
Dew point46°
Sun, 0170° / 51°0Overcast
70 °Overcast

West Derry, Sunday, 1 November

Overcast. High 70°, low 51°.

Pressure30.18 inHg
Wind7.1 mph S
Humidity45%
Visibility—
Dew point45°
Mon, 0262° / 56°0.11Light rain
62 °Light rain

West Derry, Monday, 2 November

Light rain. High 62°, low 56°.

Pressure30.15 inHg
Wind4.6 mph SE
Humidity91%
Visibility—
Dew point56°
Tue, 0369° / 54°0Overcast
69 °Overcast

West Derry, Tuesday, 3 November

Overcast. High 69°, low 54°.

Pressure30.00 inHg
Wind8 mph SW
Humidity65%
Visibility—
Dew point55°
Wed, 0463° / 52°0.29Light rain
63 °Light rain

West Derry, Wednesday, 4 November

Light rain. High 63°, low 52°.

Pressure29.80 inHg
Wind9.5 mph SW
Humidity91%
Visibility—
Dew point59°
Thu, 0553° / 45°0Overcast
53 °Overcast

West Derry, Thursday, 5 November

Overcast. High 53°, low 45°.

Pressure29.68 inHg
Wind11.3 mph W
Humidity69%
Visibility—
Dew point42°
Fri, 0648° / 45°0.13Light rain
48 °Light rain

West Derry, Friday, 6 November

Light rain. High 48°, low 45°.

Pressure29.65 inHg
Wind10.8 mph W
Humidity87%
Visibility—
Dew point43°
Sat, 0752° / 41°0.02Light rain
52 °Light rain

West Derry, Saturday, 7 November

Light rain. High 52°, low 41°.

Pressure29.80 inHg
Wind11.7 mph W
Humidity58%
Visibility—
Dew point37°
Sun, 0857° / 41°0.37Rain
57 °Rain

West Derry, Sunday, 8 November

Rain. High 57°, low 41°.

Pressure29.62 inHg
Wind7.3 mph SE
Humidity63%
Visibility—
Dew point43°
Mon, 0951° / 46°0.29Light rain
51 °Light rain

West Derry, Monday, 9 November

Light rain. High 51°, low 46°.

Pressure29.62 inHg
Wind10.8 mph SW
Humidity93%
Visibility—
Dew point45°

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 West Derry, 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 West Derry, 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.