See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
13°
Overcast
Feels Like: 14°
Min: 13°
Max: 28°
The next few hours will be overcast, with today reaching 28°C and dropping to 13°C. The coming days will be mostly clear
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:42
Sunrise
18:56
Sunset
Moon
Waxing Crescent
12:56
Moonrise
20:49
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Spearfish.
UV Index
Humidity
Weather in Spearfish today, September 16, 2026
Spearfish stays under cloudy skies on September 16, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. Expect a grey start, with morning cloud around 100% by 05:00. Outdoor plans early on should not rely on bright skies.
The day peaks near 28°C and cools toward 13°C. Expect humidity between 23% and 63%, most humid near 07:00. Winds stay light, near 4.8 km/h by 16:00, so the day feels still more than breezy.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 12:00. Outdoor plans may still want a flexible backup. Expect visibility around 16.1 km. The sun rises at 06:42 and sets at 18:56, for a total of 12 hours 14 minutes of sunlight today.
In short, cloud leads the story in Spearfish on September 16, 2026; expect limited sun and a peak around 28°C.
Frequently asked questions about weather in Spearfish
How warm does it get in Spearfish?
The warmest month in Spearfish is July, with average high temperatures of 30°C. The average temperature during this period is around 22°C.
How cold does it get in Spearfish?
The coldest month in Spearfish is February, with average low temperatures of -9°C. The average temperature during this period is around -4°C.
What is the wettest time of year in Spearfish?
The wettest month in Spearfish is May, with an average of 94mm of precipitation.
What is the driest time of year in Spearfish?
The driest month in Spearfish is November, with an average of 20mm of precipitation.
Explore more weather forecasts
- Rapid City, South Dakota
- New York City, New York
- Pierre, South Dakota
- Los Angeles, California
- Aberdeen, South Dakota
- Brooklyn, New York
- Huron, South Dakota
- Chicago, Illinois
- Mitchell, South Dakota
- Houston, Texas
- Watertown, South Dakota
- Queens, New York
- Yankton, South Dakota
- Phoenix, Arizona
- Brookings, South Dakota
- Philadelphia, Pennsylvania