Skip to content
Satellite view of Rainier Reservoir

Rainier Reservoir

Reservoir

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 72°F, within the comfortable 70–86°F range.

  • Water temperature is 72°F, within the comfortable 70–86°F range.
Good to swimGood conditions today

Interactive map not available

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 72°F, within the comfortable 70–86°F range.

  • Water temperature is 72°F, within the comfortable 70–86°F range. NOAA buoy LOPW1, as of Aug 22, 3:18 AM UTC
Water temp
72°F
22°C

No official beach-advisory feed for Oregon yet — follow posted signs and local guidance.

Live data from NOAA buoy LOPW1 (2.9 mi away), as of Aug 22, 3:18 AM UTC.

Weather at Rainier Reservoir

H: 83° L: 59°
Overcast
Overcast
66°
|
Feels like 67°
Precipitation
14%
Humidity
75%
Wind
5 mph
UV Index
0
Water Conditions:
🏊Cool but swimmable
12 AM
Clear
67°
3 AM
Overcast
63°
6 AM
Cloudy
59°
9 AM
Overcast
65°
12 PM
Overcast
74°
3 PM
Overcast
83°
6 PM
Overcast
78°
9 PM
Overcast
66°

Sponsored gear checklist

Pack smarter for Rainier Reservoir

Useful gear categories for this kind of water spot. These links open Amazon search results so you can compare current options.

As an Amazon Associate we earn from qualifying purchases.

Frequently asked questions

Where is Rainier Reservoir?
Rainier Reservoir is a reservoir in Oregon.
What is the water temperature at Rainier Reservoir?
As of August 22, 2026, the water temperature at Rainier Reservoir in Oregon is 72°F (22°C), measured by NOAA buoy LOPW1, 2.9 miles away.
Can you swim at Rainier Reservoir?
Comfortable for a swim today: water temperature is 72°F, within the comfortable 70–86°F range. Checked August 22, 2026.

Visitor Reviews

Be the first to share your experience here

Join our community to share your water adventures

Earn badges as you share your experiences!

💧 Droplet💦 Stream🌊 Wave💧 Current🌀 Tide🌊 Ocean

No reviews yet — share what you know

Been here? A quick note helps the next visitor plan their day. Handy things to mention:

Water temperatureCrowds & parkingBest time to goSafety & access

Best Times to Visit

👍
Right Now
Good conditions for visiting
🏞️ Lakes Tips:
  • Check for boat launch facilities and fees
  • Obtain required fishing licenses before arrival
  • Be aware of lake-specific regulations and restrictions
  • Monitor water quality reports before swimming
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

Oregon

</> Embed this location on your site

Paste this snippet into your website to show a live badge for Rainier Reservoir — free to use with the included credit link.