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St. Charles, MD Weather
Current conditions
Forecast for this hour (no station report in the last two hours)
Forecast
10-day-
Thursday
Sunny, with a high near 65. Northwest wind 7 to 10 mph.
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Thursday Night
Mostly clear, with a low around 46. North wind around 7 mph.
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Friday
Sunny, with a high near 62. Northeast wind around 9 mph.
National Weather Service forecast updated 14 hrs ago.
Hourly
Hourly forecast- Now62°
- 2 PM64°
- 3 PM65°
- 4 PM65°
- 5 PM64°
- 6 PM62°
- 7 PM57°
- 8 PM52°
- 9 PM50°
- 10 PM49°
- 11 PM48°
- Fri12 AM48°
- 1 AM48°
- 2 AM48°
- 3 AM48°
- 4 AM47°
- 5 AM47°
- 6 AM47°
- 7 AM46°
- 8 AM47°
- 9 AM49°
- 10 AM53°
- 11 AM56°
- 12 PM58°
10-day forecast
Details- TonightOct 21Clear41°
- TodayOct 22Sunny46°65°
- FriOct 23Sunny40°62°
- SatOct 24Sunny43°62°
- SunOct 25Sunny43°64°
- MonOct 26Sunny47°67°
- TueOct 27Mostly Sunny49°67°
- WedOct 28Partly Sunny63°
- ThuOct 29Mostly sunny51°67°
- FriOct 30Cloudy52°67°
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 near St. Charles
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Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Forecast
- ThuGood (22)
- FriGood (28)
- SatGood (44)
Southern Maryland, MD reporting area · 2 hrs ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyWashington Area, records since 1871. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Washington 33 km
- Arlington 34 km
- Alexandria 24 km
- Silver Spring 44 km
- Centreville 51 km
- Waldorf 2 km
- Rockville 57 km
- Dale City 34 km
- Bethesda 44 km
- Reston 54 km
- Bowie 41 km
- Downtown DC 33 km
Forecasters' discussion
From the National Weather Service office in LWX, issued 2 hrs ago
What Has Changed
No changes from the overnight forecast.
Key Messages
- 1) Dry conditions and seasonable temperatures through early next week, with frost possible this weekend.
Discussion
KEY MESSAGE 1...Dry conditions and seasonable temperatures through early next week, with frost possible this weekend.
Surface high pressure remains to the north through Saturday with dry and seasonable conditions expected to continue. High temperatures today will be in the 60s for most with only highest elevations staying in the 50s. Tonight, low temperatures will be in the upper 30s to 40s. For Friday and Saturday, surface high pressure extends southward from Canada with dry cold fronts bringing in cooler air. High temperatures stay in the 50s to low 60s while overnight lows plummet into the 30s for most. The exception will be east of the I-95 corridor where low temperatures stay in the low 40s. Frost is possible Friday and Saturday night.
High pressure will continue to build southward into the region Sunday through Tuesday. Dry conditions and seasonable temperatures expected each day with light north to east winds. A backdoor cold front could try to push into the region Tuesday into Tuesday night, but will have very little to no moisture with it to produce any precipitation. A surge of cooler temperatures will follow behind the front for the day on Wednesday.
Aviation
North winds continue today with terminals near the metros gusting 15 to 20 knots this afternoon. Winds become light overnight before shifting to northeast on Friday. Winds blow 5 to 10 knots on Friday before becoming light and variable overnight. On Saturday, winds shift to easterly, remaining light throughout the day. VFR conditions are expected each day.
VFR conditions Sunday through Monday night. Winds light and variable through the period.
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.