Weather in Saint Mary's County, Maryland for October 2026
Expect cooler weather in first days of October 2026 in Saint Mary's County with the forecast suggesting a temperature of 22.2 °F, lower than the historical average.
In general, the average temperature in Saint Mary's County at the beginning of October is 22 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.4 °F by the end of October.
Saint Mary's County experiences moderate rainfall in October, with an average of 10 rainy days and a total precipitation of 284.2 mm.
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Saint Mary's County Weather October
Temperatures trend during October in Saint Mary's County
October weather in Saint Mary's County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 | Overcast | 26° /18° | 0 mm | 6 | |
| Oct. 2 | Sunny | 24° /16° | 0 mm | 6 | |
| Oct. 3 | Overcast | 20° /14° | 0 mm | 6 | |
| Oct. 4 | Sunny | 23° /15° | 0 mm | 6 | |
| Oct. 5 | Mist | 20° /16° | 0 mm | 5 | |
| Oct. 6 | Fog | 20° /17° | 0 mm | 5 | |
| Oct. 7 | Overcast | 21° /18° | 0 mm | 5 | |
| Oct. 8 | Moderate or heavy rain shower | 21° /17° | 58.1 mm | 5 | |
| Oct. 9 | Sunny | 18° /14° | 0 mm | 5 | |
| Oct. 10 | Partly cloudy | 16° /13° | 0 mm | 5 | |
| Oct. 11 | Light rain shower | 20° /16° | 3.6 mm | 5 | |
| Oct. 12 | Heavy rain | 19° /15° | 82.2 mm | 4 | |
| Oct. 13 | Light rain | 15° /14° | 9.4 mm | 4 | |
| Oct. 14 | Patchy rain possible | 17° /15° | 1 mm | 4 | |
| Oct. 15 | Overcast | 21° /16° | 0 mm | 5 | |
| Oct. 16 | Sunny | 18° /12° | 0 mm | 5 | |
| Oct. 17 | Sunny | 17° /11° | 0 mm | 5 | |
| Oct. 18 | Cloudy | 17° /13° | 0 mm | 4 | |
| Oct. 19 | Partly cloudy | 21° /17° | 1.7 mm | 6 | |
| Oct. 20 | Cloudy | 19° /13° | 16 mm | 4 | |
| Oct. 21 | Partly cloudy | 21° /12° | 0 mm | 6 | |
| Oct. 22 | Sunny | 19° /14° | 0 mm | 5 | |
| Oct. 23 | Cloudy | 16° /11° | 0 mm | 4 | |
| Oct. 24 | Partly cloudy | 15° /9° | 0 mm | 5 | |
| Oct. 25 | Overcast | 14° /9° | 0 mm | 3 | |
| Oct. 26 | Overcast | 14° /12° | 0 mm | 3 | |
| Oct. 27 | Cloudy | 13° /11° | 0 mm | 3 | |
| Oct. 28 | Sunny | 14° /9° | 1.8 mm | 4 | |
| Oct. 29 | Overcast | 17° /11° | 88.4 mm | 4 | |
| Oct. 30 | Cloudy | 20° /14° | 22 mm | 5 | |
| Oct. 31 | Sunny | 23° /17° | 0 mm | 6 | |
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Saint Mary's County in October - FAQ
What are the expected maximum and minimum temperatures in Saint Mary's County during October?
How much rainfall should be expected in Saint Mary's County during October?
What are the typical wind conditions in Saint Mary's County during October?
October rainfall patterns in Saint Mary's County
UV exposure in Saint Mary's County during October
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Get accurate weather forecasts for Saint Mary's County, located at latitude 38.3 and longitude -76.507. Stay updated with localized weather information tailored for Saint Mary's County.