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Weather in Oshawa for October 2025

Your guide to Oshawa weather in October - trends and predictions

    Temperatures

  • In general, the average temperature in Oshawa at the beginning of October is 20.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13 °C by the end of October.

  • Rain 🌧️

  • Oshawa experiences moderate rainfall in October, with an average of 8 rainy days and a total precipitation of 51.4 mm.

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Average dry days
23
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/7°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Oshawa Weather October

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Temperatures trend during October in Oshawa

See the weather trend as well as the moving average line

October weather in Oshawa day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
1 Oct. Mist
Mist
22° /13° 3 mm 5
2 Oct. Overcast
Overcast
22° /14° 2.9 mm 6
3 Oct. Mist
Mist
24° /12° 0 mm 6
4 Oct. Mist
Mist
22° /11° 0 mm 5
5 Oct. Fog
Fog
20° /12° 0.7 mm 5
6 Oct. Moderate rain
Moderate rain
20° /13° 20.8 mm 5
7 Oct. Light rain
Light rain
13° /7° 1.2 mm 3
8 Oct. Patchy rain possible
Patchy rain possible
12° /7° 0.4 mm 3
9 Oct. Patchy rain possible
Patchy rain possible
12° /5° 0 mm 3
10 Oct. Partly cloudy
Partly cloudy
14° /4° 0 mm 4
11 Oct. Patchy rain possible
Patchy rain possible
17° /5° 0.4 mm 4
12 Oct. Overcast
Overcast
17° /7° 0 mm 4
13 Oct. Overcast
Overcast
13° /5° 0 mm 3
14 Oct. Patchy rain possible
Patchy rain possible
11° /5° 0.2 mm 3
15 Oct. Patchy rain possible
Patchy rain possible
10° /3° 0.1 mm 3
16 Oct. Patchy rain possible
Patchy rain possible
13° /5° 0.2 mm 3
17 Oct. Overcast
Overcast
14° /4° 0 mm 4
18 Oct. Overcast
Overcast
14° /5° 0 mm 4
19 Oct. Light rain
Light rain
14° /8° 3.8 mm 4
20 Oct. Light rain shower
Light rain shower
15° /10° 2.2 mm 4
21 Oct. Patchy rain possible
Patchy rain possible
17° /8° 0 mm 5
22 Oct. Patchy rain possible
Patchy rain possible
13° /6° 0.2 mm 3
23 Oct. Cloudy
Cloudy
15° /4° 0 mm 4
24 Oct. Light rain shower
Light rain shower
14° /5° 0.2 mm 4
25 Oct. Light drizzle
Light drizzle
15° /8° 1.5 mm 4
26 Oct. Light rain
Light rain
14° /9° 0.6 mm 4
27 Oct. Patchy rain possible
Patchy rain possible
15° /9° 0.9 mm 4
28 Oct. Cloudy
Cloudy
12° /4° 0.3 mm 3
29 Oct. Moderate rain
Moderate rain
10° /2° 10.4 mm 3
30 Oct. Light drizzle
Light drizzle
13° /7° 0.8 mm 3
31 Oct. Patchy light snow
Patchy light snow
12° /6° 0.6 mm 3
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Important Notice
Our weather forecast for Oshawa 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 Oshawa forecast closer to your planned date for the most up-to-date weather information.

Oshawa in October - FAQ

What are the expected maximum and minimum temperatures in Oshawa during October?
During October, expect a variety of temperatures with highs around 15° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Oshawa during October?
Moderate rainfall is anticipated in Oshawa during October, with a total of 51.4 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Oshawa during October?
The average wind speed in Oshawa during October is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Oshawa

Explore the daily rainfall trends and prepare for Oshawas October weather 💧

UV exposure in Oshawa during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️

Quick links

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Location coordinates Where is Oshawa?

Get accurate weather forecasts for Oshawa, located at latitude 43.9 and longitude -78.85. Stay updated with localized weather information tailored for Oshawa.

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