10-day forecast for Flat Run, VA: 41° to 86°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
86°
Best day: Wednesday, October 14
73° · 0.45 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1486° / 64°0
Morning65°feels 65°
Afternoon85°feels 87°
Evening77°feels 78°
Overnight66°feels 66°
86 °
Flat Run, Wednesday, 14 October
Light rain. High 86°, low 64°.
Pressure29.97 inHg
Wind5.7 mph SW
Humidity59%
Visibility6.2 mi
Dew point67°
Thu, 1573° / 60°0.45
Morning64°feels 64°
Afternoon61°feels 61°
Evening60°feels 60°
Overnight70°feels 71°
73 °
Flat Run, Thursday, 15 October
Heavy rain. High 73°, low 60°.
Pressure30.21 inHg
Wind6.3 mph NE
Humidity71%
Visibility5.3 mi
Dew point54°
Fri, 1683° / 60°0.05
Morning66°feels 66°
Afternoon82°feels 85°
Evening69°feels 69°
Overnight61°feels 61°
83 °
Flat Run, Friday, 16 October
Light rain. High 83°, low 60°.
Pressure29.74 inHg
Wind11.6 mph SW
Humidity72%
Visibility6.2 mi
Dew point69°
Sat, 1758° / 47°0.01
Morning50°feels 45°
Afternoon57°feels 54°
Evening55°feels 52°
Overnight58°feels 57°
58 °
Flat Run, Saturday, 17 October
Light rain. High 58°, low 47°.
Pressure30.24 inHg
Wind15.4 mph NW
Humidity47%
Visibility6.2 mi
Dew point36°
Sun, 1859° / 41°0
Morning46°feels 43°
Afternoon54°feels 52°
Evening56°feels 54°
Overnight46°feels 43°
59 °
Flat Run, Sunday, 18 October
Clear. High 59°, low 41°.
Pressure30.59 inHg
Wind5.7 mph N
Humidity49%
Visibility—
Dew point33°
Mon, 1968° / 43°0
Morning48°feels 45°
Afternoon62°feels 60°
Evening66°feels 65°
Overnight53°feels 52°
68 °
Flat Run, Monday, 19 October
Partly cloudy. High 68°, low 43°.
Pressure30.53 inHg
Wind10.8 mph SW
Humidity50%
Visibility—
Dew point40°
Tue, 2070° / 53°0.04
Morning57°feels 57°
Afternoon66°feels 65°
Evening66°feels 66°
Overnight56°feels 56°
70 °
Flat Run, Tuesday, 20 October
Light rain. High 70°, low 53°.
Pressure30.39 inHg
Wind4.7 mph SW
Humidity65%
Visibility—
Dew point52°
Wed, 2174° / 55°0
Morning59°feels 58°
Afternoon69°feels 68°
Evening70°feels 69°
Overnight56°feels 55°
74 °
Flat Run, Wednesday, 21 October
Clear. High 74°, low 55°.
Pressure30.27 inHg
Wind3.6 mph E
Humidity65%
Visibility—
Dew point54°
Thu, 2277° / 53°0
Morning58°feels 58°
Afternoon71°feels 70°
Evening72°feels 72°
Overnight57°feels 56°
77 °
Flat Run, Thursday, 22 October
Mostly clear. High 77°, low 53°.
Pressure30.18 inHg
Wind4.5 mph E
Humidity58%
Visibility—
Dew point53°
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.