10-day forecast for Rosslyn, VA: 41° to 87°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
69°
Best day: Wednesday, October 21
87° · 0.35 in
Worst day: Friday, October 16
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1687° / 64°0.35
Morning67°feels 68°
Afternoon87°feels 97°
Evening73°feels 74°
Overnight64°feels 64°
87 °
Rosslyn, Friday, 16 October
Heavy rain. High 87°, low 64°.
Pressure29.80 inHg
Wind8.4 mph SW
Humidity76%
Visibility6.2 mi
Dew point69°
Sat, 1768° / 46°0
Morning54°feels 52°
Afternoon56°feels 53°
Evening50°feels 46°
Overnight62°feels 61°
68 °
Rosslyn, Saturday, 17 October
Light rain. High 68°, low 46°.
Pressure30.24 inHg
Wind14.3 mph N
Humidity49%
Visibility6.2 mi
Dew point36°
Sun, 1857° / 41°0
Morning42°feels 39°
Afternoon57°feels 55°
Evening51°feels 49°
Overnight44°feels 40°
57 °
Rosslyn, Sunday, 18 October
Clear. High 57°, low 41°.
Pressure30.62 inHg
Wind1.7 mph NE
Humidity52%
Visibility6.2 mi
Dew point37°
Mon, 1961° / 44°0
Morning45°feels 45°
Afternoon58°feels 56°
Evening60°feels 58°
Overnight46°feels 46°
61 °
Rosslyn, Monday, 19 October
Clear. High 61°, low 44°.
Pressure30.56 inHg
Wind3.5 mph SE
Humidity52%
Visibility6.2 mi
Dew point41°
Tue, 2065° / 45°0
Morning49°feels 49°
Afternoon60°feels 59°
Evening63°feels 61°
Overnight50°feels 49°
65 °
Rosslyn, Tuesday, 20 October
Clear. High 65°, low 45°.
Pressure30.39 inHg
Wind4 mph N
Humidity66%
Visibility—
Dew point46°
Wed, 2169° / 50°0
Morning55°feels 53°
Afternoon64°feels 62°
Evening66°feels 65°
Overnight56°feels 55°
69 °
Rosslyn, Wednesday, 21 October
Overcast. High 69°, low 50°.
Pressure30.33 inHg
Wind5.8 mph N
Humidity52%
Visibility—
Dew point44°
Thu, 2268° / 53°0
Morning56°feels 55°
Afternoon63°feels 62°
Evening65°feels 64°
Overnight56°feels 55°
68 °
Rosslyn, Thursday, 22 October
Clear. High 68°, low 53°.
Pressure30.36 inHg
Wind4.4 mph SE
Humidity61%
Visibility—
Dew point47°
Fri, 2367° / 54°0
Morning55°feels 55°
Afternoon61°feels 60°
Evening63°feels 61°
Overnight54°feels 52°
67 °
Rosslyn, Friday, 23 October
Overcast. High 67°, low 54°.
Pressure30.33 inHg
Wind10.9 mph E
Humidity67%
Visibility—
Dew point48°
Sat, 2455° / 43°0
Morning47°feels 44°
Afternoon51°feels 48°
Evening54°feels 51°
Overnight47°feels 45°
55 °
Rosslyn, Saturday, 24 October
Partly cloudy. High 55°, low 43°.
Pressure30.62 inHg
Wind8.3 mph NE
Humidity51%
Visibility—
Dew point32°
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.