46.270°N, 119.118°W · station PSCthr · 133 years of record
72°F
HOTTEST OCT 17 SINCE 2025
forecast high · Oct 17
7-Day Forecast
NWS NDFD forecast high temperature for Tri-Cities.
This Day in History
Every year's high on each of the next 7 forecast dates at Tri-Cities — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.
Ranks
#20 / 126
warmest Oct 17 in 126 yrs of record
Warmest Oct 17 ever
82°F
set in 2003
Coolest Oct 17 ever
50°F
set in 1930
Forecast high 72°F — 20th warmest Oct 17 of 126 years · record 82°F (2003) · warmest since 2025.
Ranks
#85 / 126
warmest Oct 18 in 126 yrs of record
Warmest Oct 18 ever
82°F
set in 1940
Coolest Oct 18 ever
48°F
set in 1949
Forecast high 64°F — 85th warmest Oct 18 of 126 years · record 82°F (1940) · warmest since 2024.
Ranks
#83 / 126
warmest Oct 19 in 126 yrs of record
Warmest Oct 19 ever
87°F
set in 1940
Coolest Oct 19 ever
48°F
set in 1930
Forecast high 63°F — 83rd warmest Oct 19 of 126 years · record 87°F (1940) · warmest since 2025.
Ranks
#79 / 126
warmest Oct 20 in 126 yrs of record
Warmest Oct 20 ever
84°F
set in 1907
Coolest Oct 20 ever
49°F
set in 1894
Forecast high 64°F — 79th warmest Oct 20 of 126 years · record 84°F (1907) · warmest since 2025.
Ranks
#51 / 125
warmest Oct 21 in 125 yrs of record
Warmest Oct 21 ever
88°F
set in 2003
Coolest Oct 21 ever
45°F
set in 1945
Forecast high 65°F — 51st warmest Oct 21 of 125 years · record 88°F (2003) · warmest since 2024.
Ranks
#65 / 125
warmest Oct 22 in 125 yrs of record
Warmest Oct 22 ever
81°F
set in 1942
Coolest Oct 22 ever
47°F
set in 1912
Forecast high 64°F — 65th warmest Oct 22 of 125 years · record 81°F (1942) · warmest since 2024.
Ranks
#68 / 126
warmest Oct 23 in 126 yrs of record
Warmest Oct 23 ever
78°F
set in 1933
Coolest Oct 23 ever
44°F
set in 1957
Forecast high 62°F — 68th warmest Oct 23 of 126 years · record 78°F (1933) · warmest since 2025.
The hottest and coldest ever recorded at Tri-Cities in each calendar month, and for the whole 1894–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
74°FJan 10, 1896
-27°FJan 21, 1930
Feb
74°FFeb 25, 1986
-23°FFeb 3, 1950
Mar
87°FMar 30, 1911
-1°FMar 4, 2019
Apr
95°FApr 18, 1910
18°FApr 2, 1935
May
104°FMay 31, 1910
26°FMay 1, 1905
Jun
115°FJun 27, 2021
35°FJun 4, 1984
Jul
115°FJul 27, 1939
38°FJul 2, 1921
Aug
115°FAug 10, 1898
37°FAug 31, 1924
Sep
102°FSep 1, 2022
21°FSep 24, 1926
Oct
90°FOct 6, 2020
9°FOct 31, 2002
Nov
78°FNov 18, 1897
-8°FNov 23, 1985
Dec
71°FDec 26, 1898
-29°FDec 13, 1919
All-time
115°FAug 10, 1898
-29°FDec 13, 1919
2026 Records So Far
Records set or tied at Tri-Cities so far this year — through Oct 15.
Record Highs in 2026
0 broke
plus 1 tied — daily record highs set this year
Record Lows in 2026
0 broke
plus 0 tied — daily record lows set this year
Record Warm Nights & Cold Days
Two more daily records, kept separate from the rankings: the warmest a night has ever stayed (record high minimum) and the coldest a day has ever gotten (record low maximum) — the flip side of the usual record high and low.
Warmest low ever
82°F
record high minimum — the night it never cooled · Jul 5, 1906
Coldest high ever
-2°F
record low maximum — the day it never warmed · Jan 12, 1909
Month
Warmest low
Coldest high
Jan
56°FJan 30, 1971
-2°FJan 12, 1909
Feb
58°FFeb 26, 1932
-1°FFeb 3, 1950
Mar
56°FMar 19, 2026
22°FMar 1, 1993
Apr
62°FApr 25, 1964
41°FApr 1, 1936
May
73°FMay 29, 1934
50°FMay 1, 1915
Jun
80°FJun 27, 1896
56°FJun 7, 1995
Jul
82°FJul 5, 1906
65°FJul 2, 1966
Aug
80°FAug 8, 1898
62°FAug 30, 1907
Sep
71°FSep 1, 1967
50°FSep 29, 2019
Oct
67°FOct 3, 1947
30°FOct 31, 1935
Nov
61°FNov 10, 1989
9°FNov 24, 1985
Dec
61°FDec 18, 1917
-2°FDec 13, 1919
All-time
82°FJul 5, 1906
-2°FJan 12, 1909
Hot Streaks
Current run
0 days
consecutive days with a high ≥ 90°F
Longest ever
37 days
record run, ended Aug 24 1942
So far in 2026
60 days
days with a high ≥ 90°F this year
Climate Normals
Normal high & low by month, from Tri-Cities's own 1991–2020 record. Today's normal high: 66°F · forecast is +6° vs normal.
Tri-Cities's observed daily high for the last six weeks — a white ring marks any day that broke or tied its daily record for that date.
2026 So Far
Every day this year against Tri-Cities's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.