Mid and Upper-Columbia River Temperature Report for June 2026  
Generated 2026-07-01 13:18:08

  Chief Joseph Dam forebay (CHJ) Chief Joseph tailwater (CHQW)
Date Min Avg Max >68.05 Min Avg Max >68.05
06 01 54.3 54.4 54.9 0/24 54.6 54.7 54.7 0/24
06 02 54.1 54.3 54.4 0/24 54.5 54.7 54.8 0/24
06 03 53.9 54.4 54.9 0/24 54.4 54.7 55.2 0/24
06 04 54.8 55.3 55.9 0/24 55.1 55.3 55.6 0/24
06 05 55.5 55.9 56.1 0/24 55.5 55.9 56.2 0/24
06 06 55.5 55.7 55.9 0/24 55.5 55.6 55.8 0/24
06 07 55.5 55.9 56.2 0/24 55.2 55.8 56.2 0/24
06 08 55.3 55.6 56.0 0/24 55.3 55.6 56.0 0/24
06 09 55.5 56.0 56.3 0/24 55.6 56.0 56.3 0/24
06 10 56.1 56.6 57.2 0/24 56.1 56.5 57.0 0/24
06 11 57.1 57.3 57.5 0/24 57.0 57.1 57.3 0/24
06 12 56.5 56.9 57.4 0/24 56.4 56.6 56.9 0/24
06 13 56.7 57.3 58.0 0/24 56.5 57.0 57.4 0/24
06 14 57.0 57.3 57.7 0/24 57.0 57.2 57.3 0/24
06 15 57.2 57.7 58.2 0/24 57.1 57.6 58.1 0/24
06 16 57.9 58.3 58.8 0/24 57.9 58.1 58.4 0/24
06 17 58.0 58.5 59.3 0/24 57.9 58.3 58.7 0/24
06 18 58.6 58.8 59.2 0/24 58.1 58.5 58.7 0/24
06 19 57.7 57.9 58.5 0/24 57.6 57.8 58.1 0/24
06 20 57.9 58.3 59.1 0/24 57.7 58.2 58.7 0/24
06 21 58.5 58.9 59.7 0/24 58.2 58.5 58.8 0/24
06 22 59.0 59.2 59.7 0/24 58.6 59.0 59.4 0/24
06 23 58.0 58.4 58.8 0/24 58.2 58.4 58.6 0/24
06 24 58.4 58.7 59.1 0/24 58.4 58.8 59.0 0/24
06 25 58.7 59.1 59.5 0/24 59.0 59.2 59.6 0/24
06 26 58.6 59.1 59.4 0/24 58.9 59.3 59.7 0/24
06 27 58.9 59.2 59.4 0/24 59.1 59.3 59.4 0/24
06 28 59.3 59.6 60.1 0/24 59.4 59.5 59.7 0/24
06 29 59.1 59.5 60.0 0/24 58.9 59.4 59.7 0/24
06 30 58.7 58.9 59.3 0/19 58.8 58.9 59.2 0/24
>68.05 0 0 0 0/
715		 0 0 0 0/
720

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.