Weather forecast for 10 daysLac-Mégantic, Canada

Weather forecast for the weekend

Saturday 24. Oct 2026

  • 11°C
  • -2°C
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 10km/hW 270°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:12 am EDT
  • Sunset: 5:43 pm EDT
  • ▼
On Saturday, October 24, sunny conditions are expected to continue.
The temperature is anticipated to oscillate between a maximum of a cool 11°C and a minimum of a subzero -2°C.
Tomorrow's high is expected to coincide with the typical October maximum of 10.1°C.
Sunrise will be at 7:12 am and sunset at 5:43 pm; tomorrow's daylight will last for 10h and 31min.

Sunday 25. Oct 2026

  • 15°C
  • 5°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 12km/hSW 231°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:13 am EDT
  • Sunset: 5:41 pm EDT
  • ▼
On Sunday, in Lac-Mégantic, mostly sunny and dry conditions will continue.
Temperatures will oscillate between a mild 15°C at their highest and an icy 5°C at their lowest.
The predicted high will feel warmer, consistent with September's climate average of 18.2°C.
Sunrise will be at 7:13 am and sunset at 5:41 pm; the daylight will last for 10h and 28min.

10-day overview

Daily temperatures

Warmest day: Sunday 15°C.
Coldest day: Tuesday 4°C.

Chance of precipitation

Highest chance: Friday 30.10. 41%.

Long-term weather forecast

  • Friday
  • 23. Oct 2026
  • 8°C
  • -3°C
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 10km/hNNW 342°
  • Humidity: 44%
  • UV index: 3
  • Sunrise: 7:11 am EDT
  • Sunset: 5:44 pm EDT
  • ▼
  • Saturday
  • 24. Oct 2026
  • 11°C
  • -2°C
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 10km/hW 270°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:12 am EDT
  • Sunset: 5:43 pm EDT
  • ▼
  • Sunday
  • 25. Oct 2026
  • 15°C
  • 5°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 12km/hSW 231°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:13 am EDT
  • Sunset: 5:41 pm EDT
  • ▼
  • Monday
  • 26. Oct 2026
  • 10°C
  • -3°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 17km/hW 263°
  • Humidity: 74%
  • UV index: 2
  • Sunrise: 7:15 am EDT
  • Sunset: 5:39 pm EDT
  • ▼
  • Tuesday
  • 27. Oct 2026
  • 4°C
  • -6°C
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 14km/hNW 307°
  • Humidity: 57%
  • UV index: 2
  • Sunrise: 7:16 am EDT
  • Sunset: 5:38 pm EDT
  • ▼
  • Wednesday
  • 28. Oct 2026
  • 6°C
  • 0°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 8km/hSW 223°
  • Humidity: 59%
  • UV index: 2
  • Sunrise: 7:17 am EDT
  • Sunset: 5:36 pm EDT
  • ▼
  • Thursday
  • 29. Oct 2026
  • 13°C
  • 6°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 2mm
  • Wind: 13km/hSSW 197°
  • Humidity: 69%
  • UV index: 2
  • Sunrise: 7:19 am EDT
  • Sunset: 5:35 pm EDT
  • ▼
  • Friday
  • 30. Oct 2026
  • 9°C
  • 0°C
AM Showers
AM Showers
  • Precip. probability: 41%
  • Precipitation: 1mm
  • Wind: 18km/hW 267°
  • Humidity: 78%
  • UV index: 1
  • Sunrise: 7:20 am EDT
  • Sunset: 5:33 pm EDT
  • ▼
  • Saturday
  • 31. Oct 2026
  • 8°C
  • 0°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0mm
  • Wind: 12km/hW 266°
  • Humidity: 65%
  • UV index: 2
  • Sunrise: 7:22 am EDT
  • Sunset: 5:32 pm EDT
  • ▼
  • Sunday
  • 1. Nov 2026
  • 11°C
  • 6°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 2mm
  • Wind: 15km/hSSW 196°
  • Humidity: 73%
  • UV index: 2
  • Sunrise: 6:23 am EST
  • Sunset: 4:30 pm EST
  • ▼
During the ten-day period, overcast, bright and rain-soaked weather is predicted.
Rain is expected on Thursday, next Friday and Sunday. The days with the most rainfall will be Thursday and next Sunday, with minimal precipitation of 2mm.
Noticeable swings in temperature are expected across the forecast period. Forecast highs will fluctuate between 4°C and 15°C, while the variation in nighttime lows will be also notably wide, as nighttime lows are forecast to fall between -6°C and 6°C.
Expect the warmest day on Sunday, with temperatures peaking at 15°C; with the highest temperature of 4°C, Tuesday will be the coldest day.
Updated: Oct 23, 2026 @ 17:07:28 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

In Lac-Mégantic, a combination of overcast, clear and wet weather is expected for the next ten days.

Rain is forecasted for Thursday, next Friday and Sunday in Lac-Mégantic. With minimal precipitation of 2mm, Thursday and next Sunday will be the wettest days.

The maximum temperature will range between 4°C and 15°C, as the minimum temperature will vary between -6°C and 6°C.

With the maximum temperature of 15°C, Sunday will be the warmest day. The coldest day will be Tuesday, with a maximum of 4°C.

Tomorrow, uninterrupted sunshine is anticipated.

Tomorrow, the maximum temperature will be 11°C, while the minimum temperature will be -2°C.
The highest temperature tomorrow will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be moderately lower than the average low temperature.

On Saturday, in Lac-Mégantic, sunrise will be at 7:12 am and sunset at 5:43 pm (EDT).

In Lac-Mégantic, the length of the day tomorrow will be 10h and 31min.

On Sunday, a pleasant, mostly sunny outlook is in place.

On Sunday, the maximum temperature will be 15°C, while the minimum temperature will be 5°C.