46.974°N, 122.905°W · station OLMthr · 79 years of record
47°F
COLDEST SEP 4 SINCE 2021
forecast low · Sep 4
7-Day Forecast
NWS NDFD forecast low temperature for Olympia.
This Day in History
Every year's low on each of the next 7 forecast dates at Olympia — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.
Ranks
#70 / 78
coldest Sep 2 in 78 yrs of record
Coldest Sep 2 ever
36°F
set in 1973
Mildest Sep 2 ever
58°F
set in 1986
Forecast low 54°F — 70th coldest Sep 2 of 78 years · record 36°F (1973) · coldest since 2025.
Ranks
#37 / 78
coldest Sep 3 in 78 yrs of record
Coldest Sep 3 ever
36°F
set in 1960
Mildest Sep 3 ever
57°F
set in 1982
Forecast low 48°F — 37th coldest Sep 3 of 78 years · record 36°F (1960) · coldest since 2021.
Ranks
#35 / 78
coldest Sep 4 in 78 yrs of record
Coldest Sep 4 ever
36°F
set in 1956
Mildest Sep 4 ever
61°F
set in 1974
Forecast low 47°F — 35th coldest Sep 4 of 78 years · record 36°F (1956) · coldest since 2021.
Ranks
#46 / 78
coldest Sep 5 in 78 yrs of record
Coldest Sep 5 ever
36°F
set in 1952
Mildest Sep 5 ever
60°F
set in 2013
Forecast low 48°F — 46th coldest Sep 5 of 78 years · record 36°F (1952) · coldest since 2023.
Ranks
#56 / 78
coldest Sep 6 in 78 yrs of record
Coldest Sep 6 ever
38°F
set in 1965
Mildest Sep 6 ever
61°F
set in 2013
Forecast low 51°F — 56th coldest Sep 6 of 78 years · record 38°F (1965) · coldest since 2024.
Ranks
#55 / 78
coldest Sep 7 in 78 yrs of record
Coldest Sep 7 ever
35°F
set in 1965
Mildest Sep 7 ever
59°F
set in 2019
Forecast low 51°F — 55th coldest Sep 7 of 78 years · record 35°F (1965) · coldest since 2023.
Ranks
#63 / 78
coldest Sep 8 in 78 yrs of record
Coldest Sep 8 ever
34°F
set in 1992
Mildest Sep 8 ever
60°F
set in 1990
Forecast low 52°F — 63rd coldest Sep 8 of 78 years · record 34°F (1992) · coldest since 2025.
The hottest and coldest ever recorded at Olympia in each calendar month, and for the whole 1948–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
64°FJan 19, 2005
-8°FJan 1, 1979
Feb
73°FFeb 27, 1986
-1°FFeb 1, 1950
Mar
79°FMar 29, 2004
9°FMar 3, 1989
Apr
88°FApr 18, 2016
23°FApr 1, 1975
May
96°FMay 28, 1983
25°FMay 1, 1954
Jun
110°FJun 28, 2021
30°FJun 3, 1976
Jul
104°FJul 29, 2009
35°FJul 3, 1962
Aug
104°FAug 9, 1981
33°FAug 18, 1973
Sep
98°FSep 2, 1988
25°FSep 27, 1972
Oct
90°FOct 1, 1987
14°FOct 31, 2002
Nov
74°FNov 4, 1949
-1°FNov 15, 1955
Dec
64°FDec 1, 1958
-7°FDec 23, 1983
All-time
110°FJun 28, 2021
-8°FJan 1, 1979
2026 Records So Far
Records set or tied at Olympia so far this year — through Aug 30.
Record Highs in 2026
5 broke
plus 0 tied — daily record highs set this year
Record Lows in 2026
1 broke
plus 1 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
69°F
record high minimum — the night it never cooled · Jul 22, 2006
Coldest high ever
18°F
record low maximum — the day it never warmed · Jan 31, 1950
Month
Warmest low
Coldest high
Jan
54°FJan 15, 1974
18°FJan 31, 1950
Feb
52°FFeb 22, 1983
19°FFeb 2, 1989
Mar
55°FMar 5, 1979
31°FMar 5, 1951
Apr
53°FApr 27, 1992
42°FApr 2, 1948
May
60°FMay 25, 1986
47°FMay 4, 1950
Jun
64°FJun 27, 2021
50°FJun 11, 1952
Jul
69°FJul 22, 2006
57°FJul 2, 1966
Aug
65°FAug 18, 2022
56°FAug 2, 1956
Sep
61°FSep 4, 1974
50°FSep 24, 1988
Oct
58°FOct 21, 2003
41°FOct 26, 1970
Nov
58°FNov 22, 2017
24°FNov 12, 1955
Dec
55°FDec 25, 1980
19°FDec 29, 1968
All-time
69°FJul 22, 2006
18°FJan 31, 1950
Cold Streaks
Current run
0 days
consecutive days with a low ≤ 32°F
Longest ever
33 days
record run, ended Feb 8 1949
So far in 2026
49 days
days with a low ≤ 32°F this year
Climate Normals
Normal low & low by month, from Olympia's own 1991–2020 record. Today's normal low: 48°F · forecast is -1° vs normal.