10-day forecast for Flat Run, VA: 38° to 85°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
85°
Best day: Wednesday, October 14
72° · 0.25 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1485° / 63°0
Morning65°feels 65°
Afternoon81°feels 83°
Evening76°feels 77°
Overnight66°feels 67°
85 °
Flat Run, Wednesday, 14 October
Mostly clear. High 85°, low 63°.
Pressure29.97 inHg
Wind4 mph SW
Humidity60%
Visibility6.2 mi
Dew point66°
Thu, 1572° / 60°0.25
Morning61°feels 60°
Afternoon61°feels 61°
Evening61°feels 61°
Overnight70°feels 70°
72 °
Flat Run, Thursday, 15 October
Rain. High 72°, low 60°.
Pressure30.21 inHg
Wind5.3 mph NE
Humidity72%
Visibility0.7 mi
Dew point54°
Fri, 1683° / 58°0.06
Morning66°feels 67°
Afternoon83°feels 85°
Evening62°feels 62°
Overnight61°feels 61°
83 °
Flat Run, Friday, 16 October
Light rain. High 83°, low 58°.
Pressure29.71 inHg
Wind13.1 mph SW
Humidity69%
Visibility6.2 mi
Dew point68°
Sat, 1756° / 46°0
Morning53°feels 51°
Afternoon53°feels 50°
Evening54°feels 52°
Overnight48°feels 45°
56 °
Flat Run, Saturday, 17 October
Clear. High 56°, low 46°.
Pressure30.30 inHg
Wind16.2 mph NW
Humidity46%
Visibility—
Dew point32°
Sun, 1860° / 40°0
Morning46°feels 45°
Afternoon55°feels 53°
Evening56°feels 53°
Overnight41°feels 38°
60 °
Flat Run, Sunday, 18 October
Clear. High 60°, low 40°.
Pressure30.53 inHg
Wind7.2 mph S
Humidity53%
Visibility—
Dew point36°
Mon, 1965° / 38°0
Morning43°feels 39°
Afternoon57°feels 55°
Evening61°feels 60°
Overnight47°feels 45°
65 °
Flat Run, Monday, 19 October
Clear. High 65°, low 38°.
Pressure30.50 inHg
Wind8 mph S
Humidity48%
Visibility—
Dew point34°
Tue, 2069° / 46°0
Morning50°feels 49°
Afternoon61°feels 60°
Evening64°feels 64°
Overnight54°feels 53°
69 °
Flat Run, Tuesday, 20 October
Overcast. High 69°, low 46°.
Pressure30.36 inHg
Wind4.1 mph NE
Humidity60%
Visibility—
Dew point44°
Wed, 2169° / 49°0
Morning54°feels 53°
Afternoon64°feels 62°
Evening65°feels 63°
Overnight50°feels 49°
69 °
Flat Run, Wednesday, 21 October
Clear. High 69°, low 49°.
Pressure30.36 inHg
Wind5.6 mph NE
Humidity53%
Visibility—
Dew point44°
Thu, 2268° / 48°0
Morning52°feels 51°
Afternoon63°feels 62°
Evening64°feels 63°
Overnight50°feels 49°
68 °
Flat Run, Thursday, 22 October
Mostly clear. High 68°, low 48°.
Pressure30.45 inHg
Wind6.1 mph E
Humidity69%
Visibility—
Dew point50°
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 Flat Run, VA 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.