Wednesday October 20

On this date in 1940, Baltimore had an early snow event. It spanned two days and totaled 1.3” of snow.   In contrast, this year we remain in a clear sky pattern for the Full Hunter’ Moon today.  It officially occurs this morning, but will appear full again this evening and tomorrow. 

The next cold front will arrive Thursday night, followed by a much cooler weekend. 

We still have a potential for the first (widespread inland) frost Sunday morning. There was some patchy frost on car tops and rooftops yesterday morning. This weekend may require protecting plants.

Morning Surface Weather

High Pressure directly overhead provides a clear sky. The wind will be light, but shifting to a warmer direction. 

ALSO SEE: Full Hunter’s Moon May Appear Full For 3 Nights

Morning Temperatures

What to wear: Jacket this morning, and T’Shirt this afternoon.

Afternoon Temperatures 

The highest temperature is likely around BWI, but most areas will be in the 70s.

Weather Almanac: Climate Data

TODAY October 20

1940 Snow Event: 0.9” single day. Two-day total = 1.3”

Normal Low in Baltimore:  44ºF

Record 28ºF in 1992

Normal High in Baltimore: 66ºF

Record 88º F 1992

Also See:

Waterspout Among Top 10 Storm Photos Saturday

Winter Outlook Series: La Nina Double Dip

Temperatures Thursday

Morning

Afternoon

Rain Forecast

The Cold Front arrives overnight Thursday into Friday morning. This will being showers to the mountains, and some may reach our NW hilly suburbs after dark, before falling apart.

The next push of showers will be Saturday afternoon.

Colder Weekend: Jet Stream

The jet stream will bring in a trough of chilly air. This is what may provide the chance for frost Sunday morning. 

7 Day Forecast

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