Brookside, DE Monthly Weather

New Castle County11:08 AM EDT39.67°N, 75.73°WElevation 75 ft
← September

October 2026

Sun
Mon
Tue
Wed
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Sat
184°/64°Avg 73°/53°
286°/62°0.15 inAvg 72°/53°
371°/59°<0.01 inAvg 72°/52°
463°/59°0.08 inAvg 72°/52°
572°/49°Avg 71°/52°
665°/44°Avg 71°/51°
771°/42°Avg 70°/51°
878°/51°Avg 70°/50°
976°/47°Avg 70°/50°
1074°/46°Avg 69°/50°
1164°/59°1.66 inAvg 69°/49°
1276°/55°0.55 inAvg 68°/49°
1381°/54°Avg 68°/48°
1484°/63°<0.01 inAvg 68°/48°
1572°/55°Avg 67°/48°
1676°/59°0.24 inAvg 67°/47°
1761°/39°0.17 inAvg 66°/47°
1863°/37°Avg 66°/46°
1968°/35°Avg 66°/46°
20 Sunny 70°/46°Avg 65°/46°
21 Sunny 65°/44°Avg 65°/45°
22 Sunny 67°/45°Avg 65°/45°
23 Sunny 61°/40°Avg 64°/44°
24 Sunny 60°/40°Avg 64°/44°
25 Sunny 64°/46°Avg 64°/44°
26 Mostly Sunny 69°/50°Avg 63°/44°
27 Sunny 65°/44°Avg 63°/43°
28 Cloudy 54°/39°Avg 63°/43°
29 Cloudy 67°/53°Avg 62°/42°
30Avg 62°/42°
31Avg 62°/42°
Average high73° (normal 69°)
Average low52° (normal 50°)
Warmest / coldest86° / 35°
Precipitation2.87 in (normal 2.33 in to date)
Record high today82° (1969)
Record low today27° (1974)

Observed: Wilmington Area, 10 km away, records since 1894. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.