Tuesday night: Off-and-on showers, lows in the low 50s feeling in upper 40s. Wednesday: Gusty morning, wet roads, off and on showers continue. Highs in upper 50s.
This September, Boston was cooler and drier than normal.
Eighteen days had high temperatures below normal, and the average monthly temperature of 65.2°F was 0.5° below normal. Rainfall was also below the norm. The 2.60 inches of precipitation was 73% of the normal amount. There were only 8 days with measurable rainfall—measurable is defined as at least .01” of rain.
Eleven days had high temperatures above normal. Despite this month being cooler than normal, Septembers in Boston are getting hotter, leading to a change of 2.8°F since 1970. September is also the month with the third fastest rate of warming in Boston. The temperature trend from September carries into October. The October forecast from NOAA's Climate Prediction Center suggests the Commonwealth is likely to be somewhat cooler than normal.
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For October as a whole, colder than normal temperatures will stretch from Southern New England to the tri-state, while much of the western and central US remain warm.
