🇨🇦 Weather in Oshawa
Map Overlays:
Hourly Forecast for Oshawa
15:00
15°
16%
16:00
15°
16%
17:00
14°
17%
18:00
13°
7%
19:00
12°
8%
20:00
11°
9%
21:00
10°
10%
22:00
10°
14%
23:00
11°
17%
00:00
10°
15%
01:00
10°
14%
02:00
10°
5%
03:00
7°
7%
04:00
6°
8%
05:00
5°
12%
06:00
4°
13%
07:00
3°
10%
08:00
4°
23%
09:00
6°
15%
10:00
8°
12%
11:00
9°
12%
12:00
10°
4%
13:00
12°
2%
14:00
12°
10%
14-Day Forecast for Oshawa
2026-10-14
Patchy rain nearby
15° /
10°
2026-10-15
Overcast
12° /
3°
2026-10-16
Light rain
13° /
4°
2026-10-17
Sunny
9° /
0°
2026-10-18
Sunny
16° /
2°
2026-10-19
Sunny
18° /
7°
2026-10-20
Sunny
18° /
7°
Additional Forecasts for Oshawa
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 136.0 μg/m³
O₃ (Ozone) 73.0 μg/m³
NO₂ (Nitrogen Dioxide) 3.0 μg/m³
SO₂ (Sulphur Dioxide) 1.1 μg/m³
PM2.5 (Fine particles) 0.7 μg/m³
PM10 (Coarse particles) 0.7 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Canada
Weather in Oshawa — FAQ
Answers refreshed each request based on current conditions in Oshawa.
What is the weather like right now in Oshawa?
Right now in Oshawa, Canada the temperature is 14.4°C (feels like 9.4°C), with overcast. Relative humidity is 68% and wind is 23.8 km/h.
What is today's high and low temperature in Oshawa?
Today's forecast high in Oshawa is 15.2°C and the overnight low is 10.2°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Oshawa today?
The chance of precipitation in Oshawa today is 29%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Oshawa differ from nearby cities?
Even short distances can change temperatures noticeably. Oshawa's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.