Onida, SD Monthly Weather

Sully County5:36 PM CDT44.71°N, 100.06°WElevation 1,873 ft
← September

October 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
174°/48°Avg 69°/43°
267°/48°<0.01 inAvg 68°/42°
374°/44°0.02 inAvg 68°/42°
473°/38°Avg 67°/41°
582°/47°Avg 66°/41°
685°/43°Avg 66°/40°
776°/43°Avg 65°/40°
874°/45°Avg 64°/40°
980°/42°Avg 64°/39°
1090°/54°Avg 63°/39°
1171°/50°Avg 63°/38°
1253°/44°Avg 62°/38°
1351°/40°Avg 61°/37°
1453°/28°Avg 61°/37°
1552°/40°0.27 inAvg 60°/36°
1653°/38°Avg 60°/36°
1775°/32°Avg 59°/35°
1874°/32°Avg 58°/35°
19Avg 58°/34°
20Avg 57°/34°
21 Sunny 68°/46°Avg 57°/34°
22 Sunny 75°/56°Avg 56°/33°
23 Slight Chance Light Rain 77°/49°Avg 55°/33°
24 Slight Chance Light Rain then Mostly Sunny 56°/38°Avg 55°/32°
25 Sunny 56°/34°Avg 54°/32°
26 Slight Chance Rain And Snow 53°/33°Avg 54°/31°
27 Partly cloudy 49°/30°Avg 53°/31°
28 Sunny 49°/37°Avg 53°/30°
29 Partly cloudy 44°/33°Avg 52°/30°
30Avg 52°/30°
31Avg 51°/29°
Average high70° (normal 64°)
Average low42° (normal 39°)
Warmest / coldest90° / 28°
Precipitation0.29 in (normal 1.27 in to date)

Observed: Onida 4 Nw, 7 km away, records since 1921. 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 4Conservative index and reflects what the press published. Terms of use.