Conditions: Baltimore, Maryland, 11/29/2023 09:00:03 pm


Mostly Cloudy


Dew Point
Relative Humidity


Feels Like


Wind (S)


Air Pressure


Sun Rise

07:04 AM

Sun Set

04:44 PM

Day Length

09:40 Hours


1 min 20 sec loss

Moon Rise

06:30 PM

Moon Set

09:36 AM

Next: Last Quarter

Dec 05,2023

Moon Phase

Waning Gibbous

Average Low



Average High
Record Low




Record High

May 13 Soggy Saturday: Tracking Rain Timing Today And Better Mothers Day

Maryland Weather
climate data
rain timeline

May 13, 2023

Saturday Morning Update

Rain has already moved into parts of our region before sunrise. This has outperformed model expectations in southern Pennsylvania this morning, so it is safe to extrapolate and plan for more rain in Maryland today as this drops south.

If you have plans for the Taylor Swift Concert in Philadelphia OR the Baltimore Orioles night game, the timeline below does suggest it will be OK. My hesitation has been with rain events moving in and then out faster than projected. If that holds true again today, then our evening will dry out.

Mother’s Day is looking good, and then only one or two days next week with rain.

Morning Set Up

Temperatures at 7 AM

May 13 weather temperatures Saturday morning


Doppler Radar Snapshot at 7:30 AM

May 13 weather rain Saturday morning Doppler radar


Morning Surface Weather

The rain we have expanding from the Northwest is a bit of a squeeze play. Low Pressure is not organized near us, but the upper level winds are helping to carry the moisture in faster, ahead of the cold front dropping south from New York state.

This is why we expect the rain to expand as it drops south and enhance with some thunderstorms later today in Southern Maryland.

May 13 weather Saturday morning


Live Radar Widget

Compare this to the forecast animations below.



Radar Simulation

8 AM to 10 PM- HRRR Model

Notice the expanding rain as this drops south. Also the embedded storms cells (yellow/orange) across Southern Maryland.

May 13 weather forecast radar Saturday

12 PM – Noon

Mid Day the rain should be overspreading most of our region.

May 13 weather radar rain storm 12 PM

4 PM

At this point it looks like the rain will remain for most of Maryland through the afternoon. It will be tapering off to the north in Southern PA.

May 13 weather radar rain storm 4 PM


8 PM – Evening

The HRRR Model is still showing rain showers in metro areas, and heavy across Southern Maryland, (dry in Philadelphia).

However, this product has a tendency to be too slow to move the rain out.

May 13 weather radar rain storm 8 PM


8 PM WRF Model

This product is showing the faster solution, which is more in line with my thinking. So the Orioles game in Baltimore should be OK.

May 13 weather radar rain storm 8 PM WRF


Afternoon Temperatures

There has been a wide range of forecast numbers, all dependent on the rainfall event and when it may dry out.  I would plan for a cool feel with temps ranging from the upper 60s to lower 70s.

May 13 weather forecast temperatures Saturday afternoon

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TODAY May 13

Normal Low in Baltimore:  52ºF

Record 36ºF in 2020

Normal High in Baltimore: 75ºF

Record 95ºF 1881

Note: On this day in 1881, the LOW TEMPERATURE was 79ºF making for the hottest daily min for the month and a true early summer feel on that record day.



Sunday Temperatures


May 13 weather forecast temperatures Sunday Mothers Day morning


May 13 weather forecast temperatures Sunday afternoon

Storm Animation

Sunday Afternoon to Wednesday Afternoon

After a dry Mother’s Day, we will watch for the next system to bring us rain on Tuesday.

May 13 weather rain forecast


7 Day Forecast

Today’s rain will be out of here for a dry Mother’s Day. The next rain chances will be on Tuesday and Friday. Otherwise we should have a quiet week ahead.

May 13 weather forecast 7 day Saturday




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I am aware there are some spelling and grammar typos, and occasional other glitches. I take responsibility for my mistakes, and even the computer glitches I may miss. I have made a few public statements over the years, but if you are new here you may have missed it: I have dyslexia, and found out during my second year at Cornell University. It didn’t stop me from getting my meteorology degree, and being first to get the AMS CBM in the Baltimore/Washington region. One of my professors told me that I had made it that far without knowing, and to not let it be a crutch going forward. That was Mark Wysocki and he was absolutely correct! I do miss my mistakes in my own proofreading. The autocorrect spell check on my computer sometimes does an injustice to make it worse. I also can make mistakes in forecasting. No one is perfect predicting the future. All of the maps and information are accurate. The ‘wordy’ stuff can get sticky.  There has been no editor that can check my work when I needed it and have it ready to send out in a newsworthy timeline. Barbara Werner is a member of the web team that helps me maintain this site. She has taken it upon herself to edit typos, when she is able. That could be AFTER you read this. I accept this and perhaps proves what you read is really from me… It’s part of my charm.



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