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Canada weather

Weather in Oshawa for October 2026

Your guide to Oshawa weather in October - trends and predictions

    Temperatures

  • In general, the average temperature in Oshawa at the beginning of October is 20.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 11.9 °C by the end of October.

    • Rain 🌧️

  • The climate of Oshawa in October is notably wet, with an average of 14 rainy days, and a total of 99.7 mm of precipitation.

    • More

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

Average dry days
17
Dry days
Average rainy days
14
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

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

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
September November
Date Weather Temperatures Rain UV More
1 Oct. Mist
Mist
 20° /10° 2 mm 5
2 Oct. Overcast
Overcast
 21° /12° 1.9 mm 5
3 Oct. Mist
Mist
 24° /12° 0 mm 6
4 Oct. Mist
Mist
 21° /11° 0 mm 5
5 Oct. Fog
Fog
 20° /13° 0.5 mm 5
6 Oct. Moderate rain
Moderate rain
 21° /12° 13.9 mm 5
7 Oct. Light rain
Light rain
 15° /9° 7 mm 3
8 Oct. Patchy rain possible
Patchy rain possible
 14° /7° 0.3 mm 4
9 Oct. Patchy rain possible
Patchy rain possible
 13° /4° 0 mm 3
10 Oct. Partly cloudy
Partly cloudy
 14° /5° 0 mm 4
11 Oct. Patchy rain possible
Patchy rain possible
 16° /7° 0.2 mm 3
12 Oct. Overcast
Overcast
 17° /8° 0 mm 4
13 Oct. Overcast
Overcast
 13° /7° 2.4 mm 3
14 Oct. Patchy rain possible
Patchy rain possible
 14° /6° 0.1 mm 4
15 Oct. Overcast
Overcast
 11° /4° 0.1 mm 3
16 Oct. Patchy rain possible
Patchy rain possible
 14° /4° 0.1 mm 4
17 Oct. Overcast
Overcast
 13° /4° 0 mm 3
18 Oct. Overcast
Overcast
 16° /6° 2.6 mm 4
19 Oct. Light rain
Light rain
 16° /10° 22.3 mm 4
20 Oct. Light rain shower
Light rain shower
 15° /9° 12.4 mm 4
21 Oct. Patchy rain possible
Patchy rain possible
 16° /7° 1.4 mm 4
22 Oct. Patchy rain possible
Patchy rain possible
 12° /7° 6.8 mm 3
23 Oct. Cloudy
Cloudy
 14° /5° 1.1 mm 3
24 Oct. Light rain shower
Light rain shower
 12° /5° 0.1 mm 3
25 Oct. Light drizzle
Light drizzle
 13° /6° 1 mm 3
26 Oct. Light rain
Light rain
 12° /6° 0.4 mm 3
27 Oct. Patchy rain possible
Patchy rain possible
 13° /6° 0.6 mm 3
28 Oct. Cloudy
Cloudy
 12° /4° 0.2 mm 3
29 Oct. Moderate rain
Moderate rain
 11° /2° 7 mm 3
30 Oct. Light drizzle
Light drizzle
 10° /5° 14.8 mm 3
31 Oct. Patchy light snow
Patchy light snow
 12° /6° 0.6 mm 3
Next
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.
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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 99.7 mm spread over approximately 14 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 💧
Typically, Oshawa has 14 rainy days in October with a total of 99.7 mm of rainfall.

UV exposure in Oshawa during October

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

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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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