10-day forecast for Fairfax, NC: 68° to 90°, with precipitation expected on 10 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Tuesday, August 11
90° · 1.21 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1084° / 71°0.41
Morning73°feels 74°
Afternoon79°feels 79°
Evening76°feels 77°
Overnight72°feels 73°
84 °
Fairfax, Monday, 10 August
Rain. High 84°, low 71°.
Pressure30.18 inHg
Wind2.7 mph W
Humidity86%
Visibility6.2 mi
Dew point72°
Tue, 1187° / 69°0.2
Morning72°feels 73°
Afternoon86°feels 91°
Evening75°feels 77°
Overnight70°feels 71°
87 °
Fairfax, Tuesday, 11 August
Light rain. High 87°, low 69°.
Pressure30.12 inHg
Wind3.6 mph W
Humidity66%
Visibility6.2 mi
Dew point68°
Wed, 1287° / 70°0.87
Morning73°feels 74°
Afternoon87°feels 94°
Evening76°feels 78°
Overnight71°feels 72°
87 °
Fairfax, Wednesday, 12 August
Heavy rain. High 87°, low 70°.
Pressure30.00 inHg
Wind6.2 mph W
Humidity79%
Visibility6.2 mi
Dew point72°
Thu, 1385° / 69°0.26
Morning75°feels 77°
Afternoon84°feels 88°
Evening76°feels 77°
Overnight72°feels 73°
85 °
Fairfax, Thursday, 13 August
Rain. High 85°, low 69°.
Pressure30.00 inHg
Wind6.8 mph NW
Humidity60%
Visibility—
Dew point68°
Fri, 1480° / 70°1.05
Morning72°feels 73°
Afternoon73°feels 75°
Evening76°feels 78°
Overnight73°feels 74°
80 °
Fairfax, Friday, 14 August
Heavy rain. High 80°, low 70°.
Pressure30.15 inHg
Wind4.5 mph SE
Humidity98%
Visibility—
Dew point72°
Sat, 1579° / 71°0.45
Morning74°feels 75°
Afternoon78°feels 79°
Evening74°feels 75°
Overnight71°feels 72°
79 °
Fairfax, Saturday, 15 August
Rain. High 79°, low 71°.
Pressure30.21 inHg
Wind5.2 mph NW
Humidity87%
Visibility—
Dew point74°
Sun, 1684° / 69°0.19
Morning73°feels 74°
Afternoon77°feels 78°
Evening77°feels 78°
Overnight72°feels 73°
84 °
Fairfax, Sunday, 16 August
Rain. High 84°, low 69°.
Pressure30.18 inHg
Wind4.7 mph SE
Humidity93%
Visibility—
Dew point74°
Mon, 1790° / 68°1.21
Morning77°feels 80°
Afternoon87°feels 93°
Evening69°feels 69°
Overnight69°feels 70°
90 °
Fairfax, Monday, 17 August
Rain. High 90°, low 68°.
Pressure30.06 inHg
Wind6.3 mph W
Humidity56%
Visibility—
Dew point70°
Tue, 1886° / 68°0.39
Morning75°feels 78°
Afternoon85°feels 91°
Evening76°feels 77°
Overnight72°feels 74°
86 °
Fairfax, Tuesday, 18 August
Rain. High 86°, low 68°.
Pressure30.03 inHg
Wind6.7 mph NW
Humidity66%
Visibility—
Dew point71°
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, NC 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.