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Columbia, MD 21045 Weather
Current conditions
Observed at Baltimore, Baltimore-Washington International Airport · 35 min ago
Forecast
10-day-
Tonight
Clear, with a low around 46. North wind around 8 mph.
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Wednesday
Sunny, with a high near 65. North wind around 10 mph, with gusts as high as 18 mph.
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Wednesday Night
Mostly clear, with a low around 44. North wind around 7 mph.
National Weather Service forecast updated 1 hr ago.
Hourly
Hourly forecast- Now53°
- 1 AM52°
- 2 AM51°
- 3 AM50°
- 4 AM49°
- 5 AM48°
- 6 AM47°
- 7 AM46°
- 8 AM47°
- 9 AM49°
- 10 AM53°
- 11 AM57°
- 12 PM60°
- 1 PM60°
- 2 PM62°
- 3 PM63°
- 4 PM64°
- 5 PM62°
- 6 PM59°
- 7 PM56°
- 8 PM53°
- 9 PM52°
- 10 PM51°
- 11 PM50°
10-day forecast
Details- TonightOct 20Clear46°
- TodayOct 21Sunny44°65°
- ThuOct 22Sunny45°66°
- FriOct 23Sunny39°60°
- SatOct 24Sunny42°60°
- SunOct 25Sunny44°65°
- MonOct 26Sunny49°69°
- TueOct 27Mostly Sunny64°
- WedOct 28Cloudy51°65°
- ThuOct 29Mostly sunny43°57°
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 Columbia
More weather news-
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Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Forecast
- WedGood (28)
- ThuGood (33)
- FriGood (33)
Metro Baltimore, MD reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyBaltimore Area, records since 1872. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Washington 39 km
- Baltimore 21 km
- Germantown 38 km
- Silver Spring 29 km
- Glen Burnie 18 km
- Gaithersburg 33 km
- Rockville 31 km
- Ellicott City 8 km
- Dundalk 27 km
- Bethesda 34 km
- Bowie 30 km
- Towson 29 km
Forecasters' discussion
From the National Weather Service office in LWX, issued 3 hrs ago
What Has Changed
Nothing.
Key Messages
- 1) Dry conditions and seasonable temperatures are expected through early next week.
Discussion
KEY MESSAGE 1...Dry conditions and seasonable temperatures are expected through early next week.
The pattern will remain relatively stagnant through tomorrow, with a Nor'easter continuing to circulate off the Mid- Atlantic coast and high pressure gradually building to our north. Northerly winds will continue to advect dry air into the region, leading to clear skies. Temperatures will be near seasonal normals, with highs in the 60s to near 70 and lows in the mid to upper 30s (west of the Blue Ridge) to lower to middle 40s (east of the Blue Ridge).
By Thursday, what remains of the upper reflection of the offshore closed low gradually becomes absorbed into a deep trough over eastern Canada. These adjoining features are slated to pull eastward into the Canadian Maritimes while upstream heights build across the Mississippi Valley. From Friday and into this weekend, this broad ridge axis advances eastward ahead of a trough inhabiting the western/central U.S. As this occurs, there are some hints of another upper low center getting pinched off near the Carolina coast. However, its far southward displacement should minimize any direct impacts from this system. Overall synoptic uncertainty does increase markedly toward the end of the weekend and into early next week. Most notably, it revolves around a split in the jet streams over the middle of the continent.
Looking down at the surface, high pressure dominates through late week while becoming more centered over the northeastern U.S. by Saturday. This ensures continued tranquil weather heading toward the last week of October. Expect dry conditions along with abundant sunshine each day. The air mass will remain quite dry owing to the prevailing northerly component to the local wind fields. Most days should yield highs in the 60s (50s for the mountains). The coldest overnight periods will likely be Friday and Saturday nights as lows fall into the 30s to low 40s. With the growing season having ended from the Blue Ridge westward, it remains to be seen if any frost/freeze threats emerge off to the east.
Aviation
VFR conditions and northerly winds are expected through tomorrow. A few gusts to around 15-20 knots may be possible at times at MTN, BWI, DCA, and IAD.
VFR conditions are anticipated for Thursday through Saturday given robust high pressure over the region. Winds through Friday will mainly be northerly with afternoon gusts to around 15 to 20 knots. As high pressure settles overhead, winds turn lighter by Saturday.
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 4Search index and reflects what the press published. Terms of use.