Weather forecast for 10 daysWaterloo, OR

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 66°F
  • 37°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 7mphN 358°
  • Humidity: 75%
  • UV index: 3
  • Sunrise: 7:29 am PDT
  • Sunset: 6:23 pm PDT
  • ▼
Today, in Waterloo, patchy morning clouds will clear as the afternoon brings plenty of sunshine.
Temperature changes will be considerable, from a high of a breezy 66.2°F to a low of an icy 37.4°F.
The expected peak temperature today will be relatively higher than the average October maximum of 62.1°F.
Sunrise was at 7:29 am and sunset will be at 6:23 pm; the daylight will last for 10h and 54min.

Sunday Oct 18, 2026

  • 64°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 5mphNNW 336°
  • Humidity: 71%
  • UV index: 3
  • Sunrise: 7:30 am PDT
  • Sunset: 6:22 pm PDT
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On Sunday, October 18, clouds will come and go, but expect bright periods in between.
The highest temperature will be an enjoyable 64.4°F, while the lowest temperature will be a brisk 44.6°F.
October's usual high of 62.1°F is expected to be matched by the day’s maximum temperature.
Sunrise will be at 7:30 am and sunset at 6:22 pm; tomorrow's daylight will last for 10h and 51min.

10-day overview

Daily temperatures

Warmest day: Wednesday 72°C.
Coldest day: Saturday 24.10. 57°C.

Chance of precipitation

Highest chance: Saturday 24.10. 54%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 66°F
  • 37°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 7mphN 358°
  • Humidity: 75%
  • UV index: 3
  • Sunrise: 7:29 am PDT
  • Sunset: 6:23 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 5mphNNW 336°
  • Humidity: 71%
  • UV index: 3
  • Sunrise: 7:30 am PDT
  • Sunset: 6:22 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 63°F
  • 39°F
Cloudy
Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 5mphWSW 246°
  • Humidity: 66%
  • UV index: 2
  • Sunrise: 7:32 am PDT
  • Sunset: 6:20 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 6mphN 359°
  • Humidity: 64%
  • UV index: 3
  • Sunrise: 7:33 am PDT
  • Sunset: 6:18 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 72°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphNW 306°
  • Humidity: 57%
  • UV index: 3
  • Sunrise: 7:34 am PDT
  • Sunset: 6:17 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 64°F
  • 41°F
PM Showers
PM Showers
  • Precip. probability: 33%
  • Precipitation: 0.12"
  • Wind: 6mphW 264°
  • Humidity: 70%
  • UV index: 3
  • Sunrise: 7:35 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 61°F
  • 37°F
AM Showers
AM Showers
  • Precip. probability: 37%
  • Precipitation: 0.08"
  • Wind: 5mphW 259°
  • Humidity: 74%
  • UV index: 3
  • Sunrise: 7:37 am PDT
  • Sunset: 6:13 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 57°F
  • 41°F
Showers
Showers
  • Precip. probability: 54%
  • Precipitation: 0.28"
  • Wind: 7mphSW 214°
  • Humidity: 76%
  • UV index: 2
  • Sunrise: 7:38 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 59°F
  • 39°F
Showers
Showers
  • Precip. probability: 42%
  • Precipitation: 0.12"
  • Wind: 5mphWSW 239°
  • Humidity: 75%
  • UV index: 2
  • Sunrise: 7:39 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 61°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.12"
  • Wind: 5mphWSW 246°
  • Humidity: 72%
  • UV index: 3
  • Sunrise: 7:41 am PDT
  • Sunset: 6:09 pm PDT
  • ▼
Over the next ten days, a mix of cloudy, rainy and sun-filled weather is expected.
Rainfall is anticipated on Thursday through next Monday.
Noticeable swings in temperature are expected in the upcoming period. Maximum temperatures are forecasted between 57.2°F and 71.6°F, while nighttime temperatures are expected to vary from 37.4°F to 44.6°F.
Wednesday will be the warmest day, with a maximum temperature of 71.6°F; expect the coldest day on next Saturday with a high of 57.2°F.
Updated: Oct 17, 2026 @ 17:30:25 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, the day will begin with cloud cover, but conditions will improve as the sun emerges later on.

Today, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
The maximum temperature will be moderately higher than the average highest temperature of 62.1°F in October. The lowest temperature today will be also slightly cooler than the average low temperature.

On Saturday, in Waterloo, sunrise was at 7:29 am and sunset will be at 6:23 pm (PDT).

In Waterloo, today, there will be 10h and 54min of daylight.

On Sunday, thin clouds will pass through at times, but overall, it will remain bright.

Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 44.6°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be also in line with the average low of 44.2°F.

On Sunday, in Waterloo, sunrise will be at 7:30 am and sunset at 6:22 pm (PDT).

In Waterloo, tomorrow, there will be 10h and 51min of daylight.