Long-Range Weather Forecast for Oswego, NY

July 2026 Long Range Weather Forecast for Lower Lakes

Dates	Weather Conditions
Jul 1-6	Isolated t-storms, hot
Jul 7-11	Sunny, warm
Jul 12-14	T-storms, heavy rain east; warm
Jul 15-22	Sunny, then t-storms, heavy rain west; cooler
Jul 23-31	Isolated t-storms, locally heavy rain; warm
July	temperature 72° (avg.) precipitation 5.5" (2" above avg.)

August 2026 Long Range Weather Forecast for Lower Lakes

Dates	Weather Conditions
Aug 1-16	Scattered t-storms, then sunny; warm, then turning cool
Aug 17-25	Scattered t-storms; cool, then warmer
Aug 26-28	Heavy rain east, sunny west; warm
Aug 29-31	Scattered t-storms, mild
August	temperature 70.5° (2° above avg. east, 1° below west) precipitation 5" (1" above avg.)

12-Month Long-Range Weather Outlook

November 2025 to October 2026

Winter will be warmer than normal, with the coldest periods in mid- to late December, early and late January, and early February. Precipitation will be below normal, and snowfall will be near to below normal, with the snowiest periods in mid- to late November, much of December, early and late January, early February, and early to mid-March. April and May temperatures will be above normal, and precipitation will be below normal in the east and above west. Summer will be warmer than normal, with the hottest periods in early June and late June into early July. Rainfall will be above normal. September and October will be cooler and drier than usual.

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

Weather Trend Graph

November 2025 to October 2026