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United States weather

10 day weather forecast for Multnomah County

Sunday, October 25th, 2026, at 03:50 AM
Today
Heavy rain
11° 8°
Tomorrow
Light rain
11° 9°
Tuesday
Patchy rain possible
14° 8°
Wednesday
Light rain
13° 7°
Thursday
Light rain
10° 6°
Friday
Patchy rain possible
9° 4°
Saturday
Light rain
11° 5°
 More Details See
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Multnomah County Weather Pages

Multnomah County weather forecast

The weather forecast for Multnomah County over the next 5 days indicates chilly conditions with temperatures ranging from 10 °C to 14 °C.

Rain is expected today and will continue at least through Thursday, accompanied by a gentle breeze.

Weather today

Multnomah County 14 days weather forecast

This weeks weather in Multnomah County. Click on a date for detailed forecasts
Sun. 25
11°
8°
Heavy rain
26.3 mm
Mon. 26
11°
9°
Light rain
8.3 mm
Tue. 27
14°
8°
Patchy rain possible
1.8 mm
Wed. 28
13°
7°
Light rain
6.4 mm
Thu. 29
10°
6°
Light rain
4.7 mm
Fri. 30
9°
4°
Patchy rain possible
2.2 mm
Sat. 31
11°
5°
Light rain
3.8 mm
Sun. 1
11°
5°
Light rain
9.9 mm
Mon. 2
12°
6°
Light rain
3.8 mm
Tue. 3
13°
8°
Patchy rain possible
2.4 mm
Wed. 4
13°
8°
Moderate rain
13.3 mm
Thu. 5
14°
8°
Moderate rain
13.8 mm
Fri. 6
13°
7°
Moderate rain
13.2 mm
Further Ahead
Select a date

You can click on date

Access Multnomah County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Multnomah County long range weather forecast

30 day weather forecast for Multnomah County
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
22°
2
Light rain
19°
3
Partly cloudy
22°
4
Light rain
19°
5
Mist
24°
6
Sunny
26°
7
Sunny
26°
8
Cloudy
20°
9
Light rain
15°
10
Light rain
17°
11
Moderate or heavy rain with thunder
17°
12
Light rain
18°
13
Patchy rain possible
17°
14
Light drizzle
19°
15
Light rain
20°
16
Moderate or heavy rain with thunder
18°
17
Fog
16°
18
Mist
17°
19
Light rain
19°
20
Light rain
19°
21
Light rain
18°
22
Overcast
17°
23
Overcast
15°
24
Moderate rain
13°
25
Heavy rain
11°
26
Light rain
11°
27
Patchy rain possible
14°
28
Light rain
13°
29
Light rain
10°
30
Patchy rain possible
9°
31
Light rain
11°
Important Notice
Our Multnomah County long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

Rain Forecast for the Next 14 Days in Multnomah County

A total of 109.8 mm is expected over 13 rainy days. The wettest day is today, with 26.3 mm. Click a day for details.
Sun. 25
26.3
26.3 mm
85%
Mon. 26
8.3
8.3 mm
91%
Tue. 27
1.8
1.8 mm
67%
Wed. 28
6.4
6.4 mm
83%
Thu. 29
4.7
4.7 mm
81%
Fri. 30
2.2
2.2 mm
68%
Sat. 31
3.8
3.8 mm
70%
Sun. 1
9.9
9.9 mm
80%
Mon. 2
3.8
3.8 mm
72%
Tue. 3
2.4
2.4 mm
62%
Wed. 4
13.3
13.3 mm
81%
Thu. 5
13.8
13.8 mm
82%
Fri. 6
13.2
13.2 mm
86%

Frequently asked questions about the weather in Multnomah County

How warm is it in Multnomah County over the next 14 days?
Over the next two weeks, temperatures in Multnomah County are expected to range from around 4 °C on the coldest nights up to about 14 °C on the warmest days. Use this range to plan what to pack and wear.

Will it rain in Multnomah County in the next two weeks?
Yes - rain is expected on about 13 of the next 14 days in Multnomah County, with roughly 109.8 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.

How windy is it in Multnomah County?
Maximum wind speeds in Multnomah County are forecast to reach about 16.2 km/h at their peak over the next 14 days.

When is the best time to visit Multnomah County?
For a month-by-month look at temperatures and rainfall, see our best time to visit Multnomah County guide.

How accurate is the 14-day forecast for Multnomah County?
Our Multnomah County forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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