Weather in Thornburg
Thornburg has cold winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 13°, and about 28 inches of snow falls in a normal winter. Normal November highs come to 48°, and lows to 29°.
Getting the latest forecast from the National Weather Service…
Where today sits in Thornburg’s year
Typical highs and lows month by month, from 30 years of NOAA records.
Weather talk
Road reports, first frosts and storm memories from neighbors in Thornburg.
Your answer becomes a post in Town Square.
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 Thornburg itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Williamsburg 1e, IA (23 mi, snow) and Sigourney, IA (10 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.