Frosty night expected for most, freezing temps for some tonight

Cbus Weather Nerd
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Tuesday morning will start with some of the coldest temperatures we have had since the end of April or even the 3rd week of April.

For the record, the last time we had a low in the 30s was back on the last day of April when the low was 35°.  Prior to that, we hit 34° on the 29th, and the last freezing/sub-freezing temp was on April 21st when we dropped to 30°.

Below are a listing for the coldest temps each month of this year:

  • 40°  Oct 13th  (so far through Oct 15th)
  • 48°  Sept 28
  • 55°  Aug 23
  • 58°  July 7,8
  • 50°  June 6
  • 44°  May 1
  • 25°  April 8
  • 20°  Mar 10
  • 10°  Feb 5
  • -4°   Jan 2

Tonight, lows will drop into the mid to low 30s across the area.

The setup is perfect for a chilly night tonight, we are behind a cold front, clearing skies, and the northwest to west wind that had been ushering in the colder air is relaxing and will be nearly calm by morning.  Areas that cleared first (north & northwest) will be the coldest tonight.

That is why we have a freeze warning to the north, and a frost advisory to the south tonight.

How common is it to be cold this early in October?


Below is a listing of the average first freeze dates in our area according to the National Weather Service records:

Bellefontaine 14-Oct
Chillicothe 17-Oct
Circleville 19-Oct
Delaware 14-Oct
Kenton 20-Oct
London 9-Oct
Marysville 22-Oct
Newark 12-Oct
Washington Court House 21-Oct

The average first freeze date for Columbus is October 27th.  This is mainly because of the urban heat island effect that tends to keep the city a couple of degrees warmer on most nights.  As you can notice from above, most rural locations have the first freeze by now.

I think by next week, everyone including Columbus will have had the first freeze of the season, as next Monday morning looks especially cold.  However, another chilly morning is expected this week on Thursday.

For the record, last year, we did have our first freeze in the city on October 26th, now tying it for the most occurrences on record, at 6 times.

Notice from above, this is typically the week or two where the bulk of our first freezes have happened since the late 1870s when records have been kept.

I always like to know how cold it got in your yard, send me your readings, or shoot me a message with your temps.

If you have any questions about frosts, freezes, first freezes, or any other weather, email me:


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