Weather for 20857 — Rockville, MD
Conditions and forecast for the exact centre of ZIP code 20857 (39.084, -77.153), not a nearby airport.
64°
Overcast
- Feels like:
- 64°
- Humidity:
- 98%
- Wind:
- 10 mph
- Dew point:
- 64°
Source updated: 1:48:44 PM · WeatherSignal checked: 1:48:44 PM
Next 12 hours in 20857
2 PM
67°
0%
3 PM
70°
0%
4 PM
75°
0%
5 PM
78°
0%
6 PM
80°
0%
7 PM
80°
0%
8 PM
80°
0%
9 PM
78°
0%
10 PM
69°
0%
11 PM
66°
0%
12 AM
65°
0%
1 AM
64°
0%
7 day forecast for 20857
Today
80° / 64°
0% rain · 15 mph wind
Saturday, Oct 17
65° / 49°
0% rain · 17 mph wind
Sunday, Oct 18
58° / 41°
0% rain · 13 mph wind
Monday, Oct 19
55° / 43°
0% rain · 10 mph wind
Tuesday, Oct 20
66° / 49°
0% rain · 12 mph wind
Wednesday, Oct 21
64° / 53°
0% rain · 13 mph wind
Thursday, Oct 22
60° / 53°
0% rain · 11 mph wind
About ZIP code 20857
20857 covers Rockville in Maryland. Forecasts on this page are generated for the coordinates at the centre of the ZIP code, so small differences from a nearby city forecast are expected and usually correct.
Closest cities with full forecast pages: Washington (14 mi), Alexandria (20 mi), Baltimore (32 mi), Richmond (108 mi).
Nearby ZIP codes
Severe weather warnings are issued by the National Weather Service for counties and polygons that may not line up with ZIP code boundaries. Always follow official warnings for your exact address.
Planning your week in Rockville 20857, Maryland
- The warmest afternoon ahead is today, reaching about 80°F.
- The coldest night ahead dips to about 41°F.
- This is a dry stretch — most days show rain chances under 20%, good for outdoor plans.
- The breeziest day looks like tomorrow, with sustained wind near 17 mph.
Common questions about Rockville 20857, Maryland weather
- How accurate is the Rockville 20857, Maryland forecast?
- The next 48 hours are usually reliable on temperature and sky cover, with timing that can shift by an hour or two. Days three and four are dependable for the overall pattern. Beyond that, treat the numbers as a planning direction rather than a promise — we label confidence on every day so you can judge for yourself.
- What is the best day this week in Rockville 20857, Maryland?
- No day in the current outlook has a rain chance above 40%, so conditions look favorable for outdoor plans across the week.
- Where does this forecast come from?
- Forecast values come from national weather model data, and official warnings come from the National Weather Service. We show the source and the last-updated time on every page, and we never invent a number the source did not publish — missing measurements are hidden, not guessed.
- How often is this page updated?
- The forecast refreshes whenever the source model publishes new data, typically several times a day. The freshness note near the top of the page shows exactly when the numbers you are looking at were issued.
More weather for Rockville 20857, Maryland
- Current weather in Rockville 20857, Maryland
- Rockville 20857, Maryland hourly forecast
- Rockville 20857, Maryland weather tomorrow
- Rockville 20857, Maryland weekend weather
- Rockville 20857, Maryland weather radar
- Rockville 20857, Maryland severe weather alerts
- Best time to go outside in Rockville 20857, Maryland
- What happened overnight in Rockville 20857, Maryland
- How accurate is the Rockville 20857, Maryland forecast?
- Rockville 20857, Maryland monthly weather averages
Weather in nearby cities
- Washington, DC weather · about 14 miles away
- Alexandria, VA weather · about 20 miles away
- Baltimore, MD weather · about 32 miles away
- Richmond, VA weather · about 108 miles away
- Philadelphia, PA weather · about 122 miles away
- Allentown, PA weather · about 137 miles away