Now

5°

44%

12 mph

01:00

4°

48%

11 mph

02:00

4°

52%

10 mph

03:00

4°

56%

9 mph

04:00

3°

64%

7 mph

05:00

3°

55%

6 mph

06:00

3°

59%

5 mph

07:00

3°

65%

5 mph

08:00

3°

63%

5 mph

09:00

3°

61%

5 mph

10:00

3°

57%

5 mph

11:00

4°

55%

6 mph

12:00

4°

53%

6 mph

13:00

4°

43%

7 mph

14:00

4°

44%

9 mph

15:00

4°

44%

11 mph

16:00

4°

49%

12 mph

17:00

3°

48%

13 mph

18:00

3°

43%

14 mph

19:00

3°

36%

14 mph

20:00

2°

32%

14 mph

21:00

2°

29%

13 mph

22:00

2°

31%

13 mph

23:00

2°

24%

13 mph

Today · Thu 11/12

High 8°

83% / 0.18 in

Drizzle. Winds NE at 16 mph.

Overnight · Fri 11/13

Low 3°

48% / 0.01 in

Light snow. Winds N at 11 mph.

Tomorrow · Fri 11/13

5° | 2°

87% / 0.31 in

Heavy snow. Winds NW at 14 mph.

10-day forecast

Updated 12:25 AM

Thu · Today · 12 Nov Drizzle

8° 5° 0.18 in

Fri · Tomorrow · 13 Nov Heavy snow

5° 2° 0.31 in

Saturday · 14 Nov Showers

6° 2° 0.04 in

Sunday · 15 Nov Partly cloudy

7° 4° 0.01 in

Monday · 16 Nov Sunny

9° 2° 8%

Tuesday · 17 Nov Sunny

10° 2° 8%

Wednesday · 18 Nov Partly cloudy

11° 3° 11%

Thursday · 19 Nov Partly cloudy

12° 4° 11%

Friday · 20 Nov Partly cloudy

14° 8° 18%

Saturday · 21 Nov Mostly cloudy

11° 6° 20%

Details & indices

Wind

13 mph N

Gusts 22 mph

Humidity

79%

Dew point 2°

Pressure

29.83 inHg

Falling

UV index

1 — Low

High today

Air Quality

Good

AQI 29 · US EPA

Allergy

Low

Ragweed

Visibility

1 mi

Reduced

Allergy — Sarnia

🌿 Conditions right now

View all →

Birch

None

Grass

None

Oak

None

Alder

None

Hazel

None

Mugwort

None

Ragweed

Low

Sun & moon

Sunrise7:18 AM

Sunset5:09 PM

Length of day9h 51m

Moonrise11:35 AM

Moonset8:11 PM

Moon phase🌒 Waxing Crescent · 14%

Next full moonNov 24 Beaver Moon

Latitude42.9787°N

Longitude-82.4041°E

Water temps nearby

View all →

No beaches within 50 miles

🌦️Dry now — rain moving in around 1:45 AM (80 min)

Now+30+60+90 min

Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast

Laundry day

Poor

Line-drying weather

Grilling

Poor

Fire up the grill

Running

Fair

Lace up outside

Patio

Poor

Dinner outdoors

Nearby places in Ontario

2°

0°

2°

1°

4°

2°

NBM + global weather models

Updated: 12:25 AM

Sarnia, ON · Elev 607 ft · 42.98°N, 82.40°W · Ontario · Forecast computed for these exact coordinates

Sarnia, ON Weather

Weather map — Sarnia

Today · Thu 11/12

Overnight · Fri 11/13

Tomorrow · Fri 11/13

7-day trend

10-day forecast

Details & indices

🌿 Conditions right now

Sun & moon

Water temps nearby

Daily planner