10-day forecast for Eureka, SD: 32° to 64°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
64°
Best day: Saturday, October 31
45° · 0.6 in
Worst day: Monday, October 26
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 2552° / 32°0
Morning34°feels 30°
Afternoon52°feels 49°
Evening47°feels 44°
Overnight35°feels 32°
52 °
Eureka, Sunday, 25 October
Overcast. High 52°, low 32°.
Pressure30.50 inHg
Wind6.9 mph E
Humidity49%
Visibility6.2 mi
Dew point25°
Mon, 2645° / 36°0.6
Morning39°feels 31°
Afternoon37°feels 28°
Evening36°feels 27°
Overnight44°feels 38°
45 °
Eureka, Monday, 26 October
Rain. High 45°, low 36°.
Pressure30.47 inHg
Wind14.7 mph NE
Humidity77%
Visibility4.7 mi
Dew point27°
Tue, 2750° / 37°0.06
Morning38°feels 34°
Afternoon46°feels 42°
Evening44°feels 39°
Overnight38°feels 29°
50 °
Eureka, Tuesday, 27 October
Light rain. High 50°, low 37°.
Pressure30.00 inHg
Wind4.9 mph S
Humidity81%
Visibility6.2 mi
Dew point38°
Wed, 2854° / 40°0
Morning40°feels 33°
Afternoon50°feels 48°
Evening46°feels 44°
Overnight41°feels 33°
54 °
Eureka, Wednesday, 28 October
Clear. High 54°, low 40°.
Pressure30.03 inHg
Wind12.7 mph W
Humidity66%
Visibility6.2 mi
Dew point35°
Thu, 2952° / 34°0
Morning39°feels 36°
Afternoon50°feels 47°
Evening46°feels 41°
Overnight43°feels 37°
52 °
Eureka, Thursday, 29 October
Partly cloudy. High 52°, low 34°.
Pressure30.24 inHg
Wind13.5 mph E
Humidity62%
Visibility—
Dew point36°
Fri, 3060° / 48°0
Morning49°feels 45°
Afternoon53°feels 52°
Evening54°feels 53°
Overnight50°feels 49°
60 °
Eureka, Friday, 30 October
Overcast. High 60°, low 48°.
Pressure29.85 inHg
Wind15 mph SE
Humidity80%
Visibility—
Dew point46°
Sat, 3164° / 50°0
Morning55°feels 55°
Afternoon63°feels 62°
Evening54°feels 52°
Overnight51°feels 49°
64 °
Eureka, Saturday, 31 October
Overcast. High 64°, low 50°.
Pressure29.62 inHg
Wind16.9 mph NW
Humidity66%
Visibility—
Dew point51°
Sun, 0151° / 39°0
Morning42°feels 37°
Afternoon49°feels 44°
Evening44°feels 38°
Overnight41°feels 33°
51 °
Eureka, Sunday, 1 November
Overcast. High 51°, low 39°.
Pressure29.88 inHg
Wind17.1 mph NW
Humidity41%
Visibility—
Dew point26°
Mon, 0251° / 35°0
Morning38°feels 30°
Afternoon46°feels 41°
Evening43°feels 40°
Overnight39°feels 34°
51 °
Eureka, Monday, 2 November
Clear. High 51°, low 35°.
Pressure30.27 inHg
Wind14.4 mph NW
Humidity49%
Visibility—
Dew point27°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Eureka, SD around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.