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Oswego, OR Weather Forecast
Oswego, OR Weather Forecast Dated: 544 AM Sun Sep 13 2026
Expect a mild stretch with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Sunday, September 13, 2026
Mid-Morning
53°F 12°C
Scattered Showers
Mid-Afternoon
64°F 18°C
Scattered Showers
Early-Evening
62°F 17°C
Cloudy
Refreshing around 64°F 18°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
56°F 14°C
Sunny
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
67°F 20°C
Overcast
Comfortable with temperatures reaching 72°F 22°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling.
Tuesday, September 15, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
69°F 20°C
Sunny
Enjoyable around 73°F 23°C, sunny throughout the day, with lower humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
76°F 24°C
Sunny
Warm temperatures up to 84°F 29°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Thursday, September 17, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
79°F 26°C
Sunny
Very warm with a high of 84°F 29°C, sunny throughout the day, with lower humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
81°F 27°C
Sunny
Warm and summery near 86°F 30°C, sunny throughout the day, with lower humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
75°F 24°C
Partly Cloudy
Balmy with temperatures reaching 81°F 27°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
60°F 15°C
Overcast
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
68°F 20°C
Overcast
Enjoyable around 71°F 22°C, overcast throughout the day, with lower humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
69°F 20°C
Sunny
Mild temperatures up to 73°F 23°C, sunny throughout the day, with lower humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
57°F 14°C
Cloudy
Mid-Afternoon
74°F 23°C
Cloudy
Early-Evening
68°F 20°C
Sunny
Mild with a high of 74°F 23°C, partly cloudy in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling.
Wednesday, September 23, 2026
Mid-Morning
58°F 14°C
Scattered Showers
Mid-Afternoon
63°F 17°C
Scattered Showers
Early-Evening
59°F 15°C
Sunny
Comfortable at 63°F 17°C, scattered downpours possible, with steady humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
52°F 11°C
Scattered Showers
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
60°F 16°C
Overcast
Cool with a high near 64°F 18°C, locally heavy downpours at times, with lower humidity and steady pressure.
Friday, September 25, 2026
Mid-Morning
52°F 11°C
Overcast
Mid-Afternoon
63°F 17°C
Scattered Showers
Early-Evening
59°F 16°C
Cloudy
Refreshing around 63°F 17°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling.
Saturday, September 26, 2026
Mid-Morning
53°F 12°C
Scattered Showers
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
58°F 15°C
Sunny
Mildly cool near 62°F 17°C, scattered downpours possible, with lower humidity and steady pressure. Winds out of the NNW at 8 mph 12 km/h.
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