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Cattaraugus County-Olean, NY Weather Forecast
Cattaraugus County-Olean, NY Weather Forecast Dated: 1237 PM Thu Sep 17 2026
Expect a cool pattern with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Thursday, September 17, 2026
Mid-Morning
62°F 17°C
Light Fog
Mid-Afternoon
71°F 22°C
Scattered Showers
Early-Evening
65°F 18°C
Partly Cloudy
Pleasant near 71°F 22°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the WSW to the NW at 5 mph 9 km/h.
Friday, September 18, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
59°F 15°C
Overcast
Mildly cool near 64°F 18°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
50°F 10°C
Overcast
Mid-Afternoon
52°F 11°C
Scattered Showers
Early-Evening
59°F 15°C
Scattered Showers
Chilly near 52°F 11°C, locally heavy downpours at times, with increasing humidity and barometric pressure falling. Winds switching from the ESE to the SSE at 8 mph 13 km/h. Gusts up to 25 mph 40 km/h.
Sunday, September 20, 2026
Mid-Morning
60°F 15°C
Light Showers
Mid-Afternoon
60°F 15°C
Light Showers
Early-Evening
51°F 11°C
Light Showers
Cool with a high near 60°F 15°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Winds moving from the SSW to the NE at 8 mph 13 km/h.
Monday, September 21, 2026
Mid-Morning
44°F 7°C
Scattered Showers
Mid-Afternoon
52°F 11°C
Overcast
Early-Evening
53°F 11°C
Light Showers
Brisk around 52°F 11°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds swinging from the ENE to the SE at 9 mph 14 km/h. Gusts up to 22 mph 35 km/h.
Tuesday, September 22, 2026
Mid-Morning
54°F 12°C
Light Showers
Mid-Afternoon
55°F 13°C
Light Showers
Early-Evening
55°F 13°C
Light Showers
Cool and brisk at 55°F 13°C, on-and-off showers throughout the day, with steady humidity and steady pressure. Winds blowing from the SSE at 9 mph 15 km/h. Gusts up to 28 mph 46 km/h.
Wednesday, September 23, 2026
Mid-Morning
56°F 13°C
Scattered Showers
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
62°F 16°C
Light Fog
Comfortable at 64°F 18°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the SSW to the WSW at 5 mph 7 km/h.
Thursday, September 24, 2026
Mid-Morning
61°F 16°C
Scattered Showers
Mid-Afternoon
56°F 13°C
Scattered Showers
Early-Evening
53°F 12°C
Scattered Showers
Crisp with a high near 56°F 13°C, scattered downpours possible, with lower humidity and steady pressure. Winds switching from the S to the WSW at 12 mph 18 km/h. Gusts up to 25 mph 40 km/h.
Friday, September 25, 2026
Mid-Morning
43°F 6°C
Light Showers
Mid-Afternoon
46°F 8°C
Light Showers
Early-Evening
47°F 9°C
Light Fog
Brisk around 46°F 8°C, showers through the afternoon, tapering off by evening, with lower humidity and barometric pressure rising. Winds moving from the WNW to the W at 8 mph 12 km/h.
Saturday, September 26, 2026
Mid-Morning
45°F 7°C
Scattered Showers
Mid-Afternoon
51°F 11°C
Sunny
Early-Evening
49°F 10°C
Sunny
Cool and brisk at 51°F 11°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the WNW to the WSW at 8 mph 13 km/h. Gusts up to 21 mph 34 km/h.
Sunday, September 27, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
58°F 14°C
Sunny
Comfortable at 62°F 17°C, sunny throughout the day, with steady humidity and steady pressure.
Monday, September 28, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
65°F 19°C
Overcast
Early-Evening
59°F 15°C
Cloudy
Cool with a high near 65°F 19°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling.
Tuesday, September 29, 2026
Mid-Morning
56°F 14°C
Overcast
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
62°F 17°C
Sunny
Enjoyable around 68°F 20°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Wednesday, September 30, 2026
Mid-Morning
53°F 12°C
Scattered Showers
Mid-Afternoon
51°F 11°C
Scattered Showers
Early-Evening
50°F 10°C
Scattered Showers
Cool and brisk at 51°F 11°C, scattered downpours possible, with steady humidity and steady pressure.
Cattaraugus County-Olean, NY Weather Radar Map
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