10-day forecast for Rosslyn, VA: 41° to 88°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
69°
Best day: Saturday, October 24
72° · 0.16 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1688° / 65°0.15
Morning66°feels 67°
Afternoon88°feels 99°
Evening71°feels 72°
Overnight66°feels 66°
88 °
Rosslyn, Friday, 16 October
Rain. High 88°, low 65°.
Pressure29.80 inHg
Wind8 mph S
Humidity75%
Visibility6.2 mi
Dew point69°
Sat, 1767° / 47°0.03
Morning58°feels 56°
Afternoon56°feels 53°
Evening50°feels 46°
Overnight65°feels 64°
67 °
Rosslyn, Saturday, 17 October
Light rain. High 67°, low 47°.
Pressure30.24 inHg
Wind13.6 mph N
Humidity50%
Visibility6.2 mi
Dew point37°
Sun, 1858° / 41°0
Morning41°feels 36°
Afternoon57°feels 54°
Evening50°feels 48°
Overnight44°feels 40°
58 °
Rosslyn, Sunday, 18 October
Clear. High 58°, low 41°.
Pressure30.62 inHg
Wind5.3 mph NE
Humidity44%
Visibility6.2 mi
Dew point33°
Mon, 1962° / 44°0
Morning44°feels 41°
Afternoon62°feels 60°
Evening59°feels 58°
Overnight45°feels 44°
62 °
Rosslyn, Monday, 19 October
Overcast. High 62°, low 44°.
Pressure30.47 inHg
Wind8.2 mph NE
Humidity49%
Visibility6.2 mi
Dew point39°
Tue, 2068° / 48°0
Morning52°feels 48°
Afternoon61°feels 60°
Evening65°feels 64°
Overnight55°feels 53°
68 °
Rosslyn, Tuesday, 20 October
Clear. High 68°, low 48°.
Pressure30.21 inHg
Wind11 mph N
Humidity52%
Visibility—
Dew point41°
Wed, 2166° / 50°0
Morning54°feels 52°
Afternoon61°feels 59°
Evening64°feels 62°
Overnight54°feels 52°
66 °
Rosslyn, Wednesday, 21 October
Clear. High 66°, low 50°.
Pressure30.27 inHg
Wind9.3 mph N
Humidity52%
Visibility—
Dew point41°
Thu, 2265° / 50°0
Morning53°feels 52°
Afternoon61°feels 59°
Evening62°feels 60°
Overnight53°feels 51°
65 °
Rosslyn, Thursday, 22 October
Clear. High 65°, low 50°.
Pressure30.42 inHg
Wind6.3 mph E
Humidity58%
Visibility—
Dew point44°
Fri, 2367° / 50°0
Morning53°feels 52°
Afternoon62°feels 60°
Evening65°feels 63°
Overnight56°feels 55°
67 °
Rosslyn, Friday, 23 October
Clear. High 67°, low 50°.
Pressure30.36 inHg
Wind3.6 mph NW
Humidity56%
Visibility—
Dew point43°
Sat, 2469° / 53°0
Morning57°feels 55°
Afternoon64°feels 63°
Evening65°feels 64°
Overnight55°feels 54°
69 °
Rosslyn, Saturday, 24 October
Clear. High 69°, low 53°.
Pressure30.36 inHg
Wind6.3 mph E
Humidity57%
Visibility—
Dew point46°
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 Rosslyn, 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.