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O Brien, OR Weather Forecast | 10 Days

Updated: Sat Oct 24th 2026 8:45 AM PDT

Sat, 10-24

68°F
30°F

Sun, 10-25

67°F
35°F

Mon, 10-26

50°F
37°F

Tue, 10-27

57°F
36°F

Wed, 10-28

60°F
33°F

Thu, 10-29

49°F
30°F

Fri, 10-30

44°F
30°F

Sat, 10-31

45°F
28°F

Sun, 11-1

48°F
29°F

Mon, 11-2

47°F
33°F

Overcast

Sat 10-24

Overcast with a high of 68°F and a low of 30°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 6mph and gusts of 16.3mph at 1 PM. Humidity levels should be comfortable, sitting around 45% on average, the maximum being 53% at 9 AM and 17% being its lowest at 3 PM. Barometric pressure is its highest of 30.21^inHg at 9 AM, a lowest point of 29.99^inHg at 4 PM with an avg 30.05^inHg.

HI: 68°F
LO: 30°F

Rain: 6%
Snow: 0%

Wind
5.1 mph
Humidity
45% avg.

UV Index
3.5
Air Quality
Good

Sunrise
07:37 AM
Sunset
06:19 PM

Moonrise
05:21 PM
Moonset
06:05 AM
Moon Phase
Full Moon

Hourly

Overcast

Sun 10-25

Overcast with a high of 67°F and a low of 35°F. Rainfall expected to have a 57% chance with an estimated 0.04in. Winds will be light at 10mph and gusts of 23.8mph at 5 PM. Humidity levels should be comfortable, sitting around 46% on average, the maximum being 92% at 11 PM and 24% being its lowest at 12 PM. Barometric pressure is its highest of 30.08^inHg at 6 AM, a lowest point of 29.92^inHg at 3 PM with an avg 30.02^inHg.

HI: 67°F
LO: 35°F

Rain: 57% | est. 0.04in
Snow: 0%

Wind
9.2 mph
Humidity
46% avg.

UV Index
2.7
Air Quality
Good

Sunrise
07:39 AM
Sunset
06:18 PM

Moonrise
05:44 PM
Moonset
07:12 AM
Moon Phase
Full Moon

Hourly

Light Drizzle

Mon 10-26

Light Drizzle with a high of 50°F and a low of 37°F. It will likey rain, having a 92% chance of a downpour with an estimated 0.57in. Winds will be light at 5mph and gusts of 16mph at 2 PM. High humidity with average of 93% is anticipated, the maximum being 98% at 8 AM and 74% being its lowest at 5 PM. Barometric pressure is its highest of 30.15^inHg at 11 PM, a lowest point of 30^inHg at 10 AM with an avg 30.05^inHg.

HI: 50°F
LO: 37°F

Rain: 92% | est. 0.57in
Snow: 0%

Wind
4.9 mph
Humidity
93% avg.

UV Index
1.2
Air Quality
Good

Sunrise
07:40 AM
Sunset
06:17 PM

Moonrise
06:13 PM
Moonset
08:22 AM
Moon Phase
Full Moon

Hourly

Mist

Tue 10-27

Mist with a high of 57°F and a low of 36°F. It will likey rain, having a 78% chance of a downpour with an estimated 0.1in. Winds will be light at 4mph and gusts of 12.1mph at 6 PM. High humidity with average of 86% is anticipated, the maximum being 97% at 9 PM and 57% being its lowest at 2 PM. Barometric pressure is its highest of 30.15^inHg at 2 AM, a lowest point of 30^inHg at 3 PM with an avg 30.08^inHg.

HI: 57°F
LO: 36°F

Rain: 78% | est. 0.1in
Snow: 0%

Wind
3.6 mph
Humidity
86% avg.

UV Index
2.6
Air Quality
Good

Sunrise
07:41 AM
Sunset
06:15 PM

Moonrise
06:48 PM
Moonset
09:34 AM
Moon Phase
Waning Gibbous

Hourly

Mist

Wed 10-28

Mist with a high of 60°F and a low of 33°F. There might be light rainfall having a 13% chance. Winds will be light at 6mph and gusts of 15.7mph at 7 PM. The humidity will be on the higher side, averaging about 77%, the maximum being 97% at 6 AM and 36% being its lowest at 4 PM. Barometric pressure is its highest of 30.11^inHg at 9 AM, a lowest point of 29.95^inHg at 5 PM with an avg 30.05^inHg.

HI: 60°F
LO: 33°F

Rain: 13%
Snow: 0%

Wind
5.8 mph
Humidity
77% avg.

UV Index
5
Air Quality
Good

Sunrise
07:42 AM
Sunset
06:14 PM

Moonrise
07:33 PM
Moonset
10:46 AM
Moon Phase
Waning Gibbous

Hourly

Isolated Showers

Thu 10-29

Isolated Showers with a high of 49°F and a low of 30°F. Rainfall expected to have a 65% chance with an estimated 0.1in. Snow is likely with a 10% chance. Winds will be light at 6mph and gusts of 15.7mph at 8 PM. The humidity will be on the higher side, averaging about 80%, the maximum being 92% at 6 AM and 58% being its lowest at 11 AM. Barometric pressure is its highest of 30.01^inHg at 1 AM, a lowest point of 29.93^inHg at 5 PM with an avg 29.98^inHg.

HI: 49°F
LO: 30°F

Rain: 65% | est. 0.1in
Snow: 10%

Wind
5.4 mph
Humidity
80% avg.

UV Index
3
Air Quality
TBA

Sunrise
07:43 AM
Sunset
06:12 PM

Moonrise
08:29 PM
Moonset
11:54 AM
Moon Phase
Waning Gibbous

Hourly

Light Rain Shower

Fri 10-30

Light Rain Shower with a high of 44°F and a low of 30°F. It will likey rain, having a 81% chance of a downpour with an estimated 0.32in. Snow is likely with a 11% chance. Winds will be light at 6mph and gusts of 18.4mph at 5 PM. High humidity with average of 85% is anticipated, the maximum being 94% at 6 AM and 72% being its lowest at 2 PM. Barometric pressure is its highest of 29.98^inHg at 11 PM, a lowest point of 29.9^inHg at 5 PM with an avg 29.95^inHg.

HI: 44°F
LO: 30°F

Rain: 81% | est. 0.32in
Snow: 11%

Wind
5.1 mph
Humidity
85% avg.

UV Index
2
Air Quality
TBA

Sunrise
07:45 AM
Sunset
06:11 PM

Moonrise
09:36 PM
Moonset
12:52 PM
Moon Phase
Waning Gibbous

Hourly

Isolated Showers

Sat 10-31

Isolated Showers with a high of 45°F and a low of 28°F. Rainfall expected to have a 57% chance with an estimated 0.04in. Snow is likely with a 25% chance. Winds will be light at 2mph and gusts of 11.1mph at 5 PM. The humidity will be on the higher side, averaging about 77%, the maximum being 93% at 5 AM and 61% being its lowest at 2 PM. Barometric pressure is its highest of 30.13^inHg at 11 PM, a lowest point of 29.99^inHg at 12 AM with an avg 30.05^inHg.

HI: 45°F
LO: 28°F

Rain: 57% | est. 0.04in
Snow: 25%

Wind
2 mph
Humidity
77% avg.

UV Index
2
Air Quality
TBA

Sunrise
07:46 AM
Sunset
06:10 PM

Moonrise
10:51 PM
Moonset
01:40 PM
Moon Phase
Last Quarter

Hourly

Partly Cloudy

Sun 11-1

Partly Cloudy with a high of 48°F and a low of 29°F. There's a very small chance of rainfall, only about 9%. Snow is likely with a 9% chance. Winds will be light at 3mph and gusts of 9.6mph at 4 PM. The humidity will be on the higher side, averaging about 63%, the maximum being 78% at 4 AM and 45% being its lowest at 4 PM. Barometric pressure is its highest of 30.2^inHg at 7 AM, a lowest point of 30.1^inHg at 4 PM with an avg 30.15^inHg.

HI: 48°F
LO: 29°F

Rain: 9%
Snow: 9%

Wind
2.9 mph
Humidity
63% avg.

UV Index
3
Air Quality
TBA

Sunrise
06:47 AM
Sunset
05:09 PM

Moonrise
Does not rise today
Moonset
01:19 PM
Moon Phase
Last Quarter

Hourly

Isolated Showers

Mon 11-2

Isolated Showers with a high of 47°F and a low of 33°F. Rainfall expected to have a 75% chance with an estimated 0.2in. Snow is likely with a 15% chance. Winds will be light at 2mph and gusts of 11.3mph at 4 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 77% at 10 PM and 60% being its lowest at 10 AM. Barometric pressure is its highest of 30.14^inHg at 12 AM, a lowest point of 30.03^inHg at 4 PM with an avg 30.09^inHg.

HI: 47°F
LO: 33°F

Rain: 75% | est. 0.2in
Snow: 15%

Wind
2 mph
Humidity
67% avg.

UV Index
2
Air Quality
TBA

Sunrise
06:48 AM
Sunset
05:07 PM

Moonrise
Does not rise today
Moonset
01:50 PM
Moon Phase
Last Quarter

Hourly

This 10-Day weather forecast is valid for ZIP code 97534, accurately covering the area of O Brien, OR.

Currently

	32°F	30.2 inHg. Barometer 68% Humidity ENE 4 mph Wind
Cloudy

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National Outlook

Heavy Rain and Thunderstorm Warnings for the Central and Southern Regions 10-24 to 10-26

Sat Oct 24th 2026, 7:00am PDT

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Rain and Snow for the Pacific Northwest - 10-27-2026 to 10-31-2026

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Sat Oct 24th 2026, 7:01am PDT

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