Mid and Upper-Columbia River Temperature Report for October 2026  
Generated 2026-10-18 17:27:10

  Chief Joseph Dam forebay (CHJ) Chief Joseph tailwater (CHQW)
Date Min Avg Max >68.05 Min Avg Max >68.05
10 01 --- --- --- 0/0 65.3 65.5 65.9 0/24
10 02 --- --- --- 0/0 65.1 65.4 65.8 0/24
10 03 --- --- --- 0/0 65.2 65.5 66.0 0/24
10 04 --- --- --- 0/0 65.1 65.4 65.8 0/24
10 05 --- --- --- 0/0 65.1 65.3 65.5 0/24
10 06 --- --- --- 0/0 65.0 65.2 65.5 0/24
10 07 --- --- --- 0/0 65.0 136.3 1770.9 1/24
10 08 --- --- --- 0/0 64.8 65.0 65.3 0/24
10 09 --- --- --- 0/0 64.7 64.9 65.1 0/24
10 10 --- --- --- 0/0 64.4 64.6 64.8 0/24
10 11 --- --- --- 0/0 64.1 64.3 64.4 0/24
10 12 --- --- --- 0/0 63.5 63.9 64.1 0/24
10 13 --- --- --- 0/0 63.3 63.6 63.9 0/24
10 14 --- --- --- 0/0 63.1 63.3 63.7 0/24
10 15 --- --- --- 0/0 62.9 63.1 63.5 0/24
10 16 --- --- --- 0/0 62.9 63.1 63.5 0/24
10 17 --- --- --- 0/0 62.9 63.1 63.5 0/24
10 18 --- --- --- 0/0 62.9 63.1 63.4 0/17
10 19 --- --- --- 0/0 --- --- --- 0/0
10 20 --- --- --- 0/0 --- --- --- 0/0
10 21 --- --- --- 0/0 --- --- --- 0/0
10 22 --- --- --- 0/0 --- --- --- 0/0
10 23 --- --- --- 0/0 --- --- --- 0/0
10 24 --- --- --- 0/0 --- --- --- 0/0
10 25 --- --- --- 0/0 --- --- --- 0/0
10 26 --- --- --- 0/0 --- --- --- 0/0
10 27 --- --- --- 0/0 --- --- --- 0/0
10 28 --- --- --- 0/0 --- --- --- 0/0
10 29 --- --- --- 0/0 --- --- --- 0/0
10 30 --- --- --- 0/0 --- --- --- 0/0
10 31 --- --- --- 0/0 --- --- --- 0/0
>68.05 0 0 0 0/
0
0 1 1 1/
425

Temperature in Degrees Fahrenheit
<32 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 >86

Bold, red text denotes values above 68.05°F.
--- indicates No Data

NOTICE: This report is based on raw, unverified data.