10-day forecast for Fairfax, SD: 60° to 98°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
98°
Best day: Tuesday, August 18
72° · 1.52 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1096° / 66°0
Morning68°feels 68°
Afternoon91°feels 89°
Evening95°feels 94°
Overnight73°feels 73°
96 °
Fairfax, Monday, 10 August
Partly cloudy. High 96°, low 66°.
Pressure29.83 inHg
Wind16.5 mph SE
Humidity38%
Visibility6.2 mi
Dew point61°
Tue, 1196° / 64°0
Morning68°feels 69°
Afternoon93°feels 92°
Evening91°feels 89°
Overnight72°feels 73°
96 °
Fairfax, Tuesday, 11 August
Overcast. High 96°, low 64°.
Pressure29.80 inHg
Wind14.4 mph NE
Humidity41%
Visibility6.2 mi
Dew point60°
Wed, 1291° / 65°0.15
Morning68°feels 69°
Afternoon89°feels 89°
Evening85°feels 85°
Overnight67°feels 67°
91 °
Fairfax, Wednesday, 12 August
Light rain. High 91°, low 65°.
Pressure29.85 inHg
Wind7.9 mph E
Humidity47%
Visibility6.2 mi
Dew point62°
Thu, 1372° / 60°1.52
Morning63°feels 63°
Afternoon61°feels 61°
Evening60°feels 60°
Overnight60°feels 60°
72 °
Fairfax, Thursday, 13 August
Heavy rain. High 72°, low 60°.
Pressure30.00 inHg
Wind17.4 mph E
Humidity93%
Visibility—
Dew point59°
Fri, 1463° / 60°0.07
Morning60°feels 61°
Afternoon61°feels 61°
Evening61°feels 61°
Overnight62°feels 63°
63 °
Fairfax, Friday, 14 August
Light rain. High 63°, low 60°.
Pressure30.12 inHg
Wind11.1 mph E
Humidity96%
Visibility—
Dew point60°
Sat, 1578° / 63°0.01
Morning66°feels 66°
Afternoon73°feels 73°
Evening77°feels 78°
Overnight70°feels 70°
78 °
Fairfax, Saturday, 15 August
Light rain. High 78°, low 63°.
Pressure30.12 inHg
Wind9 mph SE
Humidity75%
Visibility—
Dew point62°
Sun, 1682° / 64°0.11
Morning69°feels 70°
Afternoon81°feels 83°
Evening77°feels 78°
Overnight68°feels 69°
82 °
Fairfax, Sunday, 16 August
Light rain. High 82°, low 64°.
Pressure30.03 inHg
Wind11.3 mph S
Humidity59%
Visibility—
Dew point64°
Mon, 1796° / 65°0.06
Morning72°feels 73°
Afternoon89°feels 90°
Evening87°feels 86°
Overnight69°feels 69°
96 °
Fairfax, Monday, 17 August
Light rain. High 96°, low 65°.
Pressure29.94 inHg
Wind11.1 mph W
Humidity45%
Visibility—
Dew point61°
Tue, 1898° / 66°0.01
Morning74°feels 73°
Afternoon93°feels 92°
Evening92°feels 91°
Overnight77°feels 77°
98 °
Fairfax, Tuesday, 18 August
Light rain. High 98°, low 66°.
Pressure29.94 inHg
Wind11.3 mph S
Humidity31%
Visibility—
Dew point54°
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 Fairfax, 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.