Tuesday December 10 2019

Temperatures will be reversed today. We start mild and warm to the upper 50s and near 60ºF by noon, then the colder air spills in with the rain. A cold front be be responsible and more rain is behind the front. It will be tonight when colder air catches up with one more push of energy and changes this over to snow.

There will be enough snow and the freezing line just west of the big cities to impact travel. Snow is likely to fall across most of our area through Wednesday morning, in many places that stay just above freezing.

Tuesday Morning Surface Weather


Morning Temperatures 

The high temperatures will be this morning. Plan for cooler 40s with rain this afternoon.

Tuesday December 10, 2019 in Baltimore

Average High:  47ºF

Record High: 72ºF in 1966

Average  Low: 29ºF

Record Low:  1ºF in 1876

Sunrise: 7:15 AM

Sunset 4:43 PM  

*Daylight = 0:45 shorter than yesterday 

*Bay Water Temperature = 46ºF at Thomas Pt. Light House (last year was 42ºF)


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Temperature Timeline

The warmest part of the day will be by noon, then the rain helps to bring in cooler air and chill down the ground.  The freezing line will creep closer, and reach the western suburbs by Wednesday morning (sunrise). A lot of snow will fall with temps above freezing, but it is possible for it to overtake the ground and lead to some road problems.

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Storm Animation:
Rain will transition to snow in western Maryland later today. The snow will spread across central Maryland before sunrise Wednesday, then Delmarva during Wednesday morning. There will be a burst of snow that could overtake the ground temps and lead to road impact.
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Likely Impact Wednesday Morning
I will update this map during the day
Looking Ahead
The next storm will arrive Friday and depart Saturday morning up the coast. If you are going to the Army-Navy Football game in Philadelphia the rain should end but winds increase for the game.
Temperature Outlook




  • Thanks to Shannon (weather wife) for hand picking items ‘she’ wants to wear
  • The Yoga Pants have side leg pocket for your phone
  • The Hoodie is extra soft and has the important ‘thumb holes’

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Winter Outlook Series:

My Call For Snowfall Winter 2019-2020





Snowy Winters Following A Hot and Dry September


NOAA Winter Outlook Leaves Room For More Snow With Mild ‘Seasonal Average’ Temperatures

Other  Links:

See the maps for when we normally expect the first frost in this link.

Baltimore Weather At BWI May Not Be As Hot As Reported

Construction at the airport close to the weather station may be added artificial heat. Click here or the image for the details.



Was Your County Not Included?

Click this map for more on the regional forecast zones


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