What is the long range weather forecast for Carleton Place, ON?

The Old Farmer's Almanac provides a 60-day extended weather forecast for Carleton Place, ON. This includes temperature trends, precipitation predictions, and seasonal weather patterns based on our traditional forecasting methods combined with modern meteorological science.

How accurate is the Almanac long range weather forecast?

The Old Farmer's Almanac claims an 80% accuracy rate for its long range forecasts. Our forecasting method uses a secret formula that considers sunspot activity, tidal action, and other factors along with current meteorological conditions.

For daily wit & wisdom, sign up for the Almanac Daily newsletter.

Long-Range Weather Forecast for Carleton Place, ON

60-Day Weather Forecast

April 2026 Long Range Weather Forecast for Southern Quebec
Dates	Weather Conditions
Apr 1-4	Sunny, then showers; warm
Apr 5-8	Showers, cool
Apr 9-13	Snow and rain, cold east; showers, mild west
Apr 14-19	Scattered showers, cool
Apr 20-24	Sunny, then showers; mild
Apr 25-30	Sunny, then showers; warm
April	temperature 3°C (1°C below avg.) precipitation 90mm (30mm above avg. east, 20mm below west)

May 2026 Long Range Weather Forecast for Southern Quebec
Dates	Weather Conditions
May 1-11	Rainy periods, cool
May 12-18	Sunny, warm
May 19-24	Rainy, mild
May 25-31	Sunny, then t-storms; warm
May	temperature 11°C (1°C below avg.) precipitation 145mm (60mm above avg.)

Map showing Old Farmer's Almanac long range weather region number 2

12-Month Long-Range Weather Outlook

November 2025 to October 2026

Winter will be warmer than normal, with the coldest periods in December and early and late January. Precipitation will be above normal, with below-normal snowfall. The snowiest periods will occur in late November, early and late December, and early January. April and May will be cooler and wetter than normal. Summer will be warmer than usual, with below-normal rainfall in the east, above-normal west. The hottest periods will be in late June, early and late July, and mid-August. September and October will be warmer than normal in the east, cooler west. Precipitation will be above normal.

See the complete 12-month weather forecast in The Old Farmer’s Almanac..

Weather Trend Graph

November 2025 to October 2026