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Weather in Lebanon, SD · National Weather Service + NOAA

Weather in Lebanon

Lebanon has cold, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 84°, a January night drops to 5°, and about 39 inches of snow falls in a normal winter. Normal November highs come to 42°, and lows to 21°.

Right now
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Sunrise 8:20 am · sunset 6:24 pm

Getting the latest forecast from the National Weather Service…

A normal year

Where today sits in Lebanon’s year

Typical highs and lows month by month, from 30 years of NOAA records.

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Winter
27° / 8°
12 days with an inch or more of snow
Spring
55° / 31°
Last frost around May 7
Summer
81° / 56°
20 days reach 90° in a normal year
Fall now
58° / 34°
First frost around Oct 2

Weather talk

Road reports, first frosts and storm memories from neighbors in Lebanon.

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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Lebanon itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Gettysburg, SD (9 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.