World Resorts Canada Oshawa Weather

Oshawa 14 Days Forecast

29.12
mon
Day
30°F
NE 33 mph
Precip.
0%
Night
18°F
SE 26 mph
Precip.
0%
30.12
tue
Day
21°F
E 25 mph
Precip.
0%
Night
23°F
E 19 mph
Precip.
0%
31.12
wed
Day
27°F
E 19 mph
Precip.
0%
Night
14°F
E 12 mph
Precip.
100%
01.01
thu
Day
18°F
E 20 mph
Precip.
73%
Night
12°F
E 14 mph
Precip.
0%
02.01
fri
Day
14°F
E 16 mph
Precip.
29%
Night
14°F
E 17 mph
Precip.
0%
03.01
sat
Day
12°F
SE 16 mph
Precip.
71%
Night
-4°F
S 7 mph
Precip.
0%
04.01
sun
Day
21°F
E 16 mph
Precip.
0%
Night
16°F
E 13 mph
Precip.
0%
05.01
mon
Day
23°F
NE 7 mph
Precip.
23%
Night
28°F
NW 9 mph
Precip.
100%
06.01
tue
Day
34°F
N 4 mph
Precip.
100%
Night
34°F
E 11 mph
Precip.
77%
07.01
wed
Day
34°F
E 8 mph
Precip.
0%
Night
27°F
SW 2 mph
Precip.
0%
08.01
thu
Day
30°F
NW 2 mph
Precip.
40%
Night
32°F
N 2 mph
Precip.
64%
09.01
fri
Day
32°F
W 14 mph
Precip.
66%
Night
25°F
W 19 mph
Precip.
100%
10.01
sat
Day
32°F
W 28 mph
Precip.
100%
Night
32°F
SW 21 mph
Precip.
100%
11.01
sun
Day
30°F
SE 17 mph
Precip.
100%
Night
28°F
SE 17 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 38.4°F. The highest and lowest sea temperatures during the month were 40.3°F and 37.4°F.

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 37.2°F. The highest and lowest sea temperatures during the month were 37.8°F and 36.5°F.

Air temperature in Oshawa, °F

Precipitation total in Oshawa, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Oshawa

Sunniest months:
September 15 days
August 14 days
July 12 days
Warmest months:
July 76.1 °F
August 75.3 °F
June 69.8 °F
Warmest sea temp:
August 70.6 °F
September 67.3 °F
July 67.1 °F
Coldest months:
January 27.2 °F
February 27.9 °F
December 33.7 °F
Rainiest months:
July 3 days
April 3 days
March 2 days
Windiest months:
November 11.7 mph
December 11.6 mph
March 11.5 mph

Oshawa on a weather map

Current weather
01:43
Oshawa
+36°F
W 7 mph
Feels like: +30°F
Precip.: 100%
Places in Canada:
Name
°F
Vancouver
+36°F
Victoria
+39°F
Winnipeg
-4°F
Halifax
+19°F
Yellowknife
-4°F
Quebec
+16°F
Kingston
+36°F
Montreal
+18°F
Niagara Falls
+55°F
Prince Edward Island
+21°F
Ottawa
+19°F
Saint John
+19°F
St. John's
+32°F
Sydney
+27°F
Toronto
+39°F
all places
24 Hours Forecast
Oshawa
Local time: 01:43
December 29, monday
0300
36°F
W
7 mph
0600
41°F
NE
24 mph
0900
36°F
NE
33 mph
1200
30°F
NE
33 mph
1500
30°F
NE
31 mph
1800
25°F
E
29 mph
2100
19°F
E
27 mph
December 30, tuesday
0000
18°F
SE
26 mph
Units of measurement: °C / °F