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Satellite view of Willamina Reservoir

Willamina Reservoir

Reservoir

Cold water — serious cold-shock risk today

Cold water

Cold water — serious cold-shock risk today: water temperature is 58°F, cold enough to cause cold-water shock on sudden immersion.

  • Water temperature is 58°F, cold enough to cause cold-water shock on sudden immersion.
Cold waterCool today

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Cold water — serious cold-shock risk today

Cold water

Cold water — serious cold-shock risk today: water temperature is 58°F, cold enough to cause cold-water shock on sudden immersion.

  • Water temperature is 58°F, cold enough to cause cold-water shock on sudden immersion. NOAA buoy 46278, as of Aug 22, 3:30 AM UTC
Water temp
58°F
14°C

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

Live data from NOAA buoy 46278 (41.7 mi away), as of Aug 22, 3:30 AM UTC.

Weather at Willamina Reservoir

H: 80° L: 56°
Clear
Clear
62°
|
Feels like 59°
Precipitation
12%
Humidity
77%
Wind
8 mph
UV Index
0
Water Conditions:
🥶Too cold for most swimmers
12 AM
Clear
65°
3 AM
Overcast
62°
6 AM
Overcast
56°
9 AM
Overcast
67°
12 PM
Overcast
76°
3 PM
Overcast
80°
6 PM
Overcast
76°
9 PM
Clear
62°

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Frequently asked questions

Where is Willamina Reservoir?
Willamina Reservoir is a reservoir in Oregon.
What is the water temperature at Willamina Reservoir?
As of August 22, 2026, the water temperature at Willamina Reservoir in Oregon is 58°F (14°C), measured by NOAA buoy 46278, 41.7 miles away.
Can you swim at Willamina Reservoir?
Cold water — serious cold-shock risk today: water temperature is 58°F, cold enough to cause cold-water shock on sudden immersion. Checked August 22, 2026.

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Cool weather - dress warmly
🏞️ 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:
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Location & Contact

Oregon

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