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Lambton County (Sarnia)
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10 day weather forecast for Lambton County

Tuesday, 27th October 2026, at 01:59
Today
Overcast
15° 6°
Tomorrow
Overcast
19° 9°
Thursday
Patchy rain possible
22° 11°
Friday
Overcast
15° 11°
Saturday
Overcast
15° 9°
Sunday
Light rain
17° 10°
Monday
Light rain
18° 13°
 More Details See
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Lambton County Weather Pages

Lambton County weather forecast

The weather forecast for Lambton County over the next 2 days indicates chilly conditions with temperatures ranging from 15 °C to 19 °C.

Light rain is expected on Thursday and Saturday.

Wind speeds are expected to be strong, averaging around 21.2 km/h.

On Thursday, expect a change in weather with temperatures reaching 22°C, and light showers with a 57% chance.

Weather today

Lambton County 14 days weather forecast

This weeks weather in Lambton County. Click on a date for detailed forecasts
Tue. 27
15°
6°
Overcast
0 mm
Wed. 28
19°
9°
Overcast
0 mm
Thu. 29
22°
11°
Patchy rain possible
1.1 mm
Fri. 30
15°
11°
Overcast
0.1 mm
Sat. 31
15°
9°
Overcast
0.1 mm
Sun. 1
17°
10°
Light rain
4.6 mm
Mon. 2
18°
13°
Light rain
3.5 mm
Tue. 3
15°
9°
Light rain
9.9 mm
Wed. 4
9°
6°
Moderate rain
21.7 mm
Thu. 5
8°
6°
Moderate rain
12.7 mm
Fri. 6
8°
5°
Sunny
0 mm
Sat. 7
9°
4°
Partly cloudy
0 mm
Sun. 8
12°
6°
Overcast
0.3 mm
Further Ahead
Select a date

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Access Lambton County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Lambton County long range weather forecast

30 day weather forecast for Lambton County
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain
21°
2
Light rain
21°
3
Fog
23°
4
Fog
24°
5
Sunny
22°
6
Light rain
21°
7
Light rain
18°
8
Cloudy
14°
9
Patchy rain possible
15°
10
Overcast
16°
11
Patchy rain possible
16°
12
Patchy rain possible
18°
13
Overcast
18°
14
Light rain
13°
15
Moderate rain
12°
16
Light rain
14°
17
Overcast
14°
18
Light rain
18°
19
Moderate rain
19°
20
Light rain shower
17°
21
Patchy rain possible
17°
22
Patchy rain possible
14°
23
Patchy rain possible
14°
24
Patchy rain possible
15°
25
Light drizzle
15°
26
Light rain
14°
27
Overcast
15°
28
Overcast
19°
29
Patchy rain possible
22°
30
Overcast
15°
31
Overcast
15°
Important Notice
Our Lambton County long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

Rain Forecast for the Next 14 Days in Lambton County

A total of 54 mm is expected over 6 rainy days. The wettest day is Wednesday 4, with 21.7 mm. Click a day for details.
Tue. 27
0 mm
11%
Wed. 28
0 mm
12%
Thu. 29
1.1
1.1 mm
57%
Fri. 30
0.1
0.1 mm
23%
Sat. 31
0.1
0.1 mm
31%
Sun. 1
4.6
4.6 mm
84%
Mon. 2
3.5
3.5 mm
83%
Tue. 3
9.9
9.9 mm
82%
Wed. 4
21.7
21.7 mm
77%
Thu. 5
12.7
12.7 mm
86%
Fri. 6
0 mm
8%
Sat. 7
0 mm
15%
Sun. 8
0.3
0.3 mm
42%

Frequently asked questions about the weather in Lambton County

How warm is it in Lambton County over the next 14 days?
Over the next two weeks, temperatures in Lambton County are expected to range from around 4 °C on the coldest nights up to about 22 °C on the warmest days. Use this range to plan what to pack and wear.

Will it rain in Lambton County in the next two weeks?
Yes - rain is expected on about 6 of the next 14 days in Lambton County, with roughly 54 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.

How windy is it in Lambton County?
Maximum wind speeds in Lambton County are forecast to reach about 29.5 km/h at their peak over the next 14 days.

When is the best time to visit Lambton County?
For a month-by-month look at temperatures and rainfall, see our best time to visit Lambton County guide.

How accurate is the 14-day forecast for Lambton County?
Our Lambton County forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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