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Rosaryville, MD Weather
Current conditions
Observed at Washington/Reagan National Airport, DC · 31 min ago
Forecast
10-day-
Sunday
Patchy frost and patchy fog before 8am. Sunny, with a high near 65.
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Sunday Night
Clear, with a low around 38.
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Monday
Sunny, with a high near 68.
National Weather Service forecast updated 2 days ago.
Hourly
Hourly forecast- Now51°
- 11 AM57°
- 12 PM61°
- 1 PM63°
- 2 PM64°
- 3 PM65°
- 4 PM65°
- 5 PM63°
- 6 PM59°
- 7 PM53°
- 8 PM48°
- 9 PM46°
- 10 PM45°
- 11 PM44°
- Mon12 AM43°
- 1 AM42°
- 2 AM41°
- 3 AM41°
- 4 AM40°
- 5 AM40°
- 6 AM39°
- 7 AM38°
- 8 AM40°
- 9 AM45°
10-day forecast
Details- TonightOct 22Clear45°
- FriOct 23Sunny38°63°
- SatOct 24Patchy Fog then Sunny36°62°
- TodayOct 25Patchy Frost then Sunny38°65°
- MonOct 26Sunny47°68°
- TueOct 27Sunny46°66°
- WedOct 28Partly Sunny47°62°
- ThuOct 29Partly Sunny67°
- FriOct 30Partly cloudy52°74°
- SatOct 31Cloudy50°62°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news in Maryland
More weather news-
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Air quality
Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Forecast
- SunModerate (53)
- MonGood (50)
- TueGood (44)
Northern Virginia and DC, DC reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Nearby
- Washington 25 km
- Arlington 29 km
- Alexandria 21 km
- Columbia 54 km
- Silver Spring 32 km
- Centreville 54 km
- Waldorf 19 km
- Glen Burnie 48 km
- Gaithersburg 55 km
- Rockville 47 km
- Dale City 46 km
- Bethesda 35 km
Forecasters' discussion
From the National Weather Service office in LWX, issued 8 hrs ago
What Has Changed
A small but persistent area of stratocumulus is lingering near and just west of I-95 in northern Virginia, and may expand a bit through daybreak. Otherwise, the forecast is on track.
Key Messages
- 1) Below normal low temperatures give way to a warming trend early this week.
- 2) Above normal temperatures and dry conditions continue through the end of the week.
Discussion
KEY MESSAGE 1...Below normal low temperatures give way to a warming trend early this week.
High pressure will drift southwest through Monday. As a result, expect a continuation of frost and freeze conditions during the overnight periods with seasonable temperatures during the daylight hours.
After a chilly start, temperatures will rebound well into the 60s for much of the area this afternoon. Some stratocumulus are possible at times, but may ultimately be thin and transient.
High pressure will gradually drift southwest toward the central Appalachians tonight into Monday morning. Low-level flow will turn westerly allowing for less of a marine influence. This should set us up for one more good radiational cooling night before temperatures warm under return flow early in the workweek. Tonight will be more of a ridge-valley split type of night with cooler conditions in the valleys/cold pockets/locations along and east of I-95 compared to the ridge tops given the sharp surface inversion/decoupling.
Only minor changes have been made to the previous min temperature forecasts, which are near or below the coldest guidance which performs best in radiational cooling (MOS, NBM 10th percentile and Canadian Regional).
Expect temperatures to rise above normal (upper 60s to lower 70s) by Monday afternoon as the warming airmass mixes to the surface. Minimal cloud cover and light winds will remain persistent.
Aviation
Some ground fog could develop early this morning near IAD, MRB, and CHO. Otherwise, expect VFR with some stratocu possible. NAM and related guidance continues to show more widespread low CIGS and fog late tonight into early Monday morning, with at least some hint of this in other guidance and forecast soundings.
Winds will be light out of the NE this morning shifting to SE this afternoon, then W overnight. W/NW winds AOB 10 kts Monday.
P6SM SKC with light and variable winds as high pressure dominates. A dry cold front will cross the area late Monday night with winds shifting to NW Tuesday.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use. How to use Weather