Today
Derry, Pennsylvania
Tomorrow
73°
HIGH
57°
LOW
Friday
75°
Saturday
68°
59°
Sunday
66°
48°
83.61%
82.26%
80.65%
78.76%
77.42%
71.77%
71.24%
67.74%
66.40%
56.72%
51.25%
85.32%
83.92%
82.98%
82.43%
80.81%
77.54%
71.57%
67.60%
67.20%
65.52%
59.97%
42.99%
On average, AerisWeather's low temperature forecasts for Derry were off by 1.52 degrees last month.
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