10-day forecast for Ralph, SD: 29° to 74°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Saturday, October 17
46° · 0.13 in
Worst day: Sunday, October 25
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1774° / 42°0
Morning44°feels 38°
Afternoon73°feels 71°
Evening56°feels 54°
Overnight43°feels 37°
74 °
Ralph, Saturday, 17 October
Mostly clear. High 74°, low 42°.
Pressure30.00 inHg
Wind8.5 mph SW
Humidity32%
Visibility6.2 mi
Dew point36°
Sun, 1865° / 46°0
Morning49°feels 45°
Afternoon65°feels 63°
Evening51°feels 49°
Overnight50°feels 48°
65 °
Ralph, Sunday, 18 October
Partly cloudy. High 65°, low 46°.
Pressure30.09 inHg
Wind9 mph N
Humidity39%
Visibility6.2 mi
Dew point37°
Mon, 1961° / 40°0
Morning41°feels 35°
Afternoon61°feels 59°
Evening51°feels 49°
Overnight43°feels 39°
61 °
Ralph, Monday, 19 October
Clear. High 61°, low 40°.
Pressure30.12 inHg
Wind12.4 mph SE
Humidity51%
Visibility6.2 mi
Dew point40°
Tue, 2067° / 44°0
Morning46°feels 42°
Afternoon65°feels 64°
Evening55°feels 54°
Overnight45°feels 40°
67 °
Ralph, Tuesday, 20 October
Clear. High 67°, low 44°.
Pressure29.97 inHg
Wind9 mph SE
Humidity62%
Visibility6.2 mi
Dew point47°
Wed, 2158° / 47°0
Morning48°feels 44°
Afternoon53°feels 51°
Evening52°feels 51°
Overnight48°feels 45°
58 °
Ralph, Wednesday, 21 October
Overcast. High 58°, low 47°.
Pressure30.24 inHg
Wind10.9 mph NW
Humidity83%
Visibility—
Dew point47°
Thu, 2273° / 48°0
Morning52°feels 48°
Afternoon64°feels 63°
Evening69°feels 67°
Overnight63°feels 61°
73 °
Ralph, Thursday, 22 October
Clear. High 73°, low 48°.
Pressure30.00 inHg
Wind17.4 mph SE
Humidity63%
Visibility—
Dew point48°
Fri, 2373° / 42°0.04
Morning65°feels 65°
Afternoon69°feels 67°
Evening48°feels 40°
Overnight46°feels 38°
73 °
Ralph, Friday, 23 October
Light rain. High 73°, low 42°.
Pressure29.50 inHg
Wind24.1 mph W
Humidity38%
Visibility—
Dew point44°
Sat, 2447° / 36°0.07
Morning40°feels 31°
Afternoon44°feels 38°
Evening41°feels 37°
Overnight38°feels 33°
47 °
Ralph, Saturday, 24 October
Snow. High 47°, low 36°.
Pressure30.42 inHg
Wind27.3 mph NW
Humidity42%
Visibility—
Dew point22°
Sun, 2546° / 32°0.13
Morning36°feels 30°
Afternoon44°feels 37°
Evening34°feels 26°
Overnight35°feels 27°
46 °
Ralph, Sunday, 25 October
Snow. High 46°, low 32°.
Pressure30.39 inHg
Wind16.4 mph SE
Humidity40%
Visibility—
Dew point21°
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 Ralph, 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.