Weather forecast for tomorrowRivergrove, OR

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 68°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 6mphN 5°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:31 am PDT
  • Sunset: 6:20 pm PDT
  • ▼
Tomorrow, on Sunday, expect a partly sunny afternoon with variable cloud cover.
The highest temperature will be a delightful 68°F, while the lowest forecasted temperature is a brisk 46.4°F.
The anticipated high is warmer and better reflects September's normal temperature profile than that of October.
Sunrise will be at 7:31 am and sunset at 6:20 pm; tomorrow's daylight will last for 10h and 49min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 6 pm 64°C.
Coldest hour: 6 am 43°C.

Chance of precipitation

Highest chance: 6 am 9%.

Hourly weather forecast

  • 12 am
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphNNW 345°
  • Humidity: 77%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 3mphNNW 343°
  • Humidity: 87%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 2mphN 4°
  • Humidity: 94%
  • Pressure: 30.18"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 6 am
  • 43°F
  • Feels like:
    43°F
Mostly Clear
Mostly Clear
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 2mphN 356°
  • Humidity: 96%
  • Pressure: 30.15"Hg
  • Visibility: 4mi
  • UV index: 0
  • ▼
Sunrise: 7:31 am
  • 8 am
  • 43°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 3mphN 3°
  • Humidity: 95%
  • Pressure: 30.12"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphN 8°
  • Humidity: 78%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphN 8°
  • Humidity: 60%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    63°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphN 2°
  • Humidity: 45%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphN 355°
  • Humidity: 38%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    64°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNNE 13°
  • Humidity: 43%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:20 pm
  • 8 pm
  • 57°F
  • Feels like:
    57°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNNW 339°
  • Humidity: 55%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 54°F
  • Feels like:
    54°F
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphWNW 292°
  • Humidity: 64%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily cloudy and occasionally bright weather is expected.
The temperature will be between the lowest temperature of 42.8°F and the highest temperature of 66.2°F. The warmest part of the day will be at 4 pm and 5 pm.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. Tomorrow, the minimum temperature will be alike with the average low for October.
Updated: Oct 17, 2026 @ 20:47:37 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, occasional clouds will pass by, but expect bright spells.

Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 46.4°F.
The maximum temperature tomorrow will be moderately higher than the average highest temperature in October. The lowest temperature tomorrow will be in line with the average low temperature.

On Sunday, in Rivergrove, sunrise will be at 7:31 am and sunset at 6:20 pm (PDT).

Tomorrow, the daylight will last for 10h and 49min.