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Canada weather

Weather in Oshawa for October 2026

Your guide to Oshawa weather in October - trends and predictions

    Temperatures

  • Until now, October 2026 in Oshawa has been nearly identical to the historical average, with a temperature of 16.3 °C (showing only a slight deviation of 0.3 °C).

  • The forecast for the coming days of October 2026 predicts a temperature of 14.2 °C , which is warmer than usual.

  • In general, the average temperature in Oshawa at the beginning of October is 19.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 11.5 °C by the end of October.

    • Rain 🌧️

  • Oshawa experiences moderate rainfall in October, with an average of 10 rainy days and a total precipitation of 104.4 mm.

    • More

  • Is October a good time to visit Oshawa? check out the best time to travel to Oshawa page.

  • ✨ Is October a good time to visit Oshawa? – Ask the AI Weatherman

Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/7°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Oshawa Weather October

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

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. Patchy rain possible
Patchy rain possible
 20° /12° 2.1 mm 4
2 Oct. Light rain
Light rain
 20° /12° 7.1 mm 4
3 Oct. Sunny
Sunny
 22° /11° 0 mm 4.5
4 Oct. Mist
Mist
 21° /11° 0.3 mm 4
5 Oct. Fog
Fog
 18° /11° 0.3 mm 4.4
6 Oct. Moderate rain
Moderate rain
 19° /10° 10.4 mm 4
7 Oct. Light rain
Light rain
 16° /10° 6.9 mm 3
8 Oct. Patchy rain possible
Patchy rain possible
 14° /8° 0.9 mm 4
9 Oct. Patchy rain possible
Patchy rain possible
 14° /5° 0 mm 3
10 Oct. Partly cloudy
Partly cloudy
 14° /5° 0 mm 3
11 Oct. Patchy rain possible
Patchy rain possible
 16° /8° 0.5 mm 3
12 Oct. Overcast
Overcast
 17° /9° 0 mm 3
13 Oct. Light rain
Light rain
 15° /9° 9.4 mm 3
14 Oct. Patchy rain possible
Patchy rain possible
 14° /8° 0.1 mm 3
15 Oct. Overcast
Overcast
 11° /5° 0.1 mm 2
16 Oct. Light rain
Light rain
 15° /5° 3.2 mm 3
17 Oct. Overcast
Overcast
 12° /4° 0 mm 3
18 Oct. Patchy rain possible
Patchy rain possible
 16° /6° 1.9 mm 3
19 Oct. Moderate rain
Moderate rain
 16° /9° 16.8 mm 3.3
20 Oct. Light rain
Light rain
 16° /9° 9.3 mm 3.2
21 Oct. Patchy rain possible
Patchy rain possible
 16° /7° 1 mm 3
22 Oct. Light rain
Light rain
 13° /7° 5.1 mm 3
23 Oct. Cloudy
Cloudy
 14° /5° 0.8 mm 3
24 Oct. Light rain shower
Light rain shower
 13° /5° 0.1 mm 2.9
25 Oct. Light drizzle
Light drizzle
 14° /7° 0.8 mm 2.9
26 Oct. Overcast
Overcast
 14° /7° 0 mm 1.3
27 Oct. Sunny
Sunny
 10° /1° 0 mm 2.8
28 Oct. Overcast
Overcast
 13° /3° 0 mm 2.5
29 Oct. Patchy rain possible
Patchy rain possible
 20° /7° 0.6 mm 2.5
30 Oct. Sunny
Sunny
 15° /6° 0 mm 4
31 Oct. Partly cloudy
Partly cloudy
 13° /4° 0 mm 4
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?
Significant rainfall exceeding 104.4 mm is expected in Oshawa during October, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.

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 10 rainy days in October with a total of 104.4 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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