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Saint Mary's County (California)
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United States weather

Weather in Saint Mary's County, Maryland for October 2025

Your guide to Saint Mary's County weather in October - trends and predictions

    Official Weather Alert ⚠️

  • Coastal Flood Advisory - See hour by hour.

    • Temperatures

  • Until now, October 2025 in Saint Mary's County has been nearly identical to the historical average, with a temperature of 18.5 °F (showing only a slight deviation of 0 °F).

  • Expect cooler weather in the next days in Saint Mary's County with the forecast suggesting a temperature of 15.1 °F, lower than the historical average.

  • In general, the average temperature in Saint Mary's County at the beginning of October is 20.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.9 °F by the end of October.

    • Rain 🌧️

  • Saint Mary's County experiences moderate rainfall in October, with an average of 7 rainy days and a total precipitation of 172 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/14°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Saint Mary's County Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Partly cloudy
22°
2
Cloudy
19°
3
Cloudy
19°
4
Sunny
23°
5
Mist
20°
6
Fog
20°
7
Overcast
21°
8
Moderate or heavy rain shower
21°
9
Sunny
18°
10
Partly cloudy
16°
11
Light rain shower
20°
12
Heavy rain
19°
13
Light rain
15°
14
Patchy rain possible
17°
15
Overcast
21°
16
Sunny
18°
17
Sunny
17°
18
Cloudy
17°
19
Partly cloudy
21°
20
Cloudy
19°
21
Partly cloudy
21°
22
Sunny
19°
23
Cloudy
16°
24
Partly cloudy
15°
25
Overcast
14°
26
Overcast
14°
27
Cloudy
13°
28
Weather Alert Patchy rain possible
15°
29
Patchy rain possible
14°
30
Heavy rain
18°
31
Sunny
16°

Temperatures trend during October in Saint Mary's County

See the weather trend as well as the moving average line

October weather in Saint Mary's County day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
Oct. 1 Partly cloudy
Partly cloudy
 22° /18° 0 mm 6
Oct. 2 Cloudy
Cloudy
 19° /16° 0 mm 4
Oct. 3 Cloudy
Cloudy
 19° /16° 0 mm 4
Oct. 4 Sunny
Sunny
 23° /15° 0 mm 6
Oct. 5 Mist
Mist
 20° /16° 0 mm 5
Oct. 6 Fog
Fog
 20° /17° 0 mm 5
Oct. 7 Overcast
Overcast
 21° /18° 0 mm 5
Oct. 8 Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /17° 58.1 mm 5
Oct. 9 Sunny
Sunny
 18° /14° 0 mm 5
Oct. 10 Partly cloudy
Partly cloudy
 16° /13° 0 mm 5
Oct. 11 Light rain shower
Light rain shower
 20° /16° 3.6 mm 5
Oct. 12 Heavy rain
Heavy rain
 19° /15° 82.2 mm 4
Oct. 13 Light rain
Light rain
 15° /14° 9.4 mm 4
Oct. 14 Patchy rain possible
Patchy rain possible
 17° /15° 1 mm 4
Oct. 15 Overcast
Overcast
 21° /16° 0 mm 5
Oct. 16 Sunny
Sunny
 18° /12° 0 mm 5
Oct. 17 Sunny
Sunny
 17° /11° 0 mm 5
Oct. 18 Cloudy
Cloudy
 17° /13° 0 mm 4
Oct. 19 Partly cloudy
Partly cloudy
 21° /17° 1.7 mm 6
Oct. 20 Cloudy
Cloudy
 19° /13° 16 mm 4
Oct. 21 Partly cloudy
Partly cloudy
 21° /12° 0 mm 6
Oct. 22 Sunny
Sunny
 19° /14° 0 mm 5
Oct. 23 Cloudy
Cloudy
 16° /11° 0 mm 4
Oct. 24 Partly cloudy
Partly cloudy
 15° /9° 0 mm 5
Oct. 25 Overcast
Overcast
 14° /9° 0 mm 3
Oct. 26 Overcast
Overcast
 14° /12° 0 mm 3
Oct. 27 Cloudy
Cloudy
 13° /11° 0 mm 3
Oct. 28 Patchy rain possible
Patchy rain possible
 15° /11° 0.8 mm 0.4
Oct. 29 Patchy rain possible
Patchy rain possible
 14° /11° 1.3 mm 0.3
Oct. 30 Heavy rain
Heavy rain
 18° /12° 46.2 mm 0.5
Oct. 31 Sunny
Sunny
 16° /9° 0 mm 0.7
Next
Important Notice
Our weather forecast for Saint Mary's County in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Saint Mary's County forecast closer to your planned date for the most up-to-date weather information.
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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?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Saint Mary's County during October?
Significant rainfall exceeding 172 mm is expected in Saint Mary's County during October, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint Mary's County during October?
The average wind speed in Saint Mary's County during October is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Saint Mary's County

Explore the daily rainfall trends and prepare for Saint Mary's Countys October weather 💧

UV exposure in Saint Mary's County during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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Location coordinates Where is Saint Mary's County?

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.

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