41.315°N, 122.317°W · station MHSthr · 79 years of record
78°F
HOTTEST OCT 17 SINCE 2002
forecast high · Oct 17
7-Day Forecast
NWS NDFD forecast high temperature for Mount Shasta.
This Day in History
Every year's high on each of the next 7 forecast dates at Mount Shasta — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.
Ranks
#6 / 74
warmest Oct 17 in 74 yrs of record
Warmest Oct 17 ever
84°F
set in 1955
Coolest Oct 17 ever
46°F
set in 1949
Forecast high 78°F — 6th warmest Oct 17 of 74 years · record 84°F (1955) · warmest since 2002.
Ranks
#25 / 75
warmest Oct 18 in 75 yrs of record
Warmest Oct 18 ever
84°F
set in 1974
Coolest Oct 18 ever
40°F
set in 1949
Forecast high 72°F — 25th warmest Oct 18 of 75 years · record 84°F (1974) · warmest since 2025.
Ranks
#56 / 75
warmest Oct 19 in 75 yrs of record
Warmest Oct 19 ever
84°F
set in 2023
Coolest Oct 19 ever
44°F
set in 1971
Forecast high 59°F — 56th warmest Oct 19 of 75 years · record 84°F (2023) · warmest since 2025.
Ranks
#57 / 75
warmest Oct 20 in 75 yrs of record
Warmest Oct 20 ever
83°F
set in 2023
Coolest Oct 20 ever
41°F
set in 2004
Forecast high 59°F — 57th warmest Oct 20 of 75 years · record 83°F (2023) · warmest since 2025.
Ranks
#44 / 75
warmest Oct 21 in 75 yrs of record
Warmest Oct 21 ever
82°F
set in 2003
Coolest Oct 21 ever
43°F
set in 1970
Forecast high 64°F — 44th warmest Oct 21 of 75 years · record 82°F (2003) · warmest since 2025.
Ranks
#49 / 74
warmest Oct 22 in 74 yrs of record
Warmest Oct 22 ever
81°F
set in 1965
Coolest Oct 22 ever
44°F
set in 1979
Forecast high 60°F — 49th warmest Oct 22 of 74 years · record 81°F (1965) · warmest since 2025.
Ranks
#47 / 74
warmest Oct 23 in 74 yrs of record
Warmest Oct 23 ever
81°F
set in 1965
Coolest Oct 23 ever
44°F
set in 1971
Forecast high 59°F — 47th warmest Oct 23 of 74 years · record 81°F (1965) · warmest since 2025.
The hottest and coldest ever recorded at Mount Shasta in each calendar month, and for the whole 1948–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
68°FJan 6, 2015
-2°FJan 15, 1950
Feb
71°FFeb 27, 1953
-3°FFeb 6, 1989
Mar
83°FMar 17, 2026
13°FMar 13, 1990
Apr
87°FApr 21, 2009
14°FApr 27, 1955
May
96°FMay 30, 1986
21°FMay 1, 1954
Jun
103°FJun 27, 2021
25°FJun 12, 1952
Jul
106°FJul 29, 2022
32°FJul 1, 1976
Aug
105°FAug 7, 1981
34°FAug 23, 1960
Sep
103°FSep 2, 1955
25°FSep 17, 1965
Oct
93°FOct 2, 1980
17°FOct 30, 2019
Nov
80°FNov 2, 1949
6°FNov 24, 1993
Dec
72°FDec 11, 1958
-13°FDec 22, 1990
All-time
106°FJul 29, 2022
-13°FDec 22, 1990
2026 Records So Far
Records set or tied at Mount Shasta so far this year — through Oct 15.
Record Highs in 2026
8 broke
plus 4 tied — daily record highs set this year
Monthly high record this year: Mar (83°F)
Record Lows in 2026
3 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
70°F
record high minimum — the night it never cooled · Aug 16, 2023
Coldest high ever
7°F
record low maximum — the day it never warmed · Dec 21, 1990
Month
Warmest low
Coldest high
Jan
49°FJan 22, 1970
10°FJan 21, 1962
Feb
49°FFeb 5, 1963
22°FFeb 4, 1989
Mar
50°FMar 14, 2015
27°FMar 7, 1974
Apr
53°FApr 19, 1989
32°FApr 29, 1948
May
58°FMay 22, 1967
38°FMay 23, 1960
Jun
63°FJun 20, 1985
44°FJun 1, 1967
Jul
68°FJul 15, 1972
51°FJul 5, 1948
Aug
70°FAug 16, 2023
50°FAug 20, 1968
Sep
65°FSep 3, 1950
45°FSep 29, 1971
Oct
56°FOct 9, 1953
37°FOct 29, 1948
Nov
52°FNov 17, 1995
30°FNov 20, 1977
Dec
49°FDec 22, 1964
7°FDec 21, 1990
All-time
70°FAug 16, 2023
7°FDec 21, 1990
Hot Streaks
Current run
0 days
consecutive days with a high ≥ 90°F
Longest ever
24 days
record run, ended Jul 26 2024
So far in 2026
33 days
days with a high ≥ 90°F this year
Climate Normals
Normal high & low by month, from Mount Shasta's own 1991–2020 record. Today's normal high: 66°F · forecast is +12° vs normal.
Mount Shasta'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 Mount Shasta's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.
Each cell is one day's high at Mount Shasta, coloured by temperature — 79 years of record, so heat waves read as warm streaks and cold snaps as blue.
Days Above the Mark
How many days a year hit a given high at Mount Shasta — counted through Oct 17 each year, so you can see whether 2026 is running hot. Pick a threshold:
33 days ≥90°F so far in 2026 — tied for the 17th most in 79 years. Normal for this point: 24. Record: 65 in 2021.
Share Card
A ready-to-share summary of Mount Shasta's outlook — post it, or link this page.