37.439°N, 105.862°W · station ALSthr · 121 years of record
63°F
HOTTEST OCT 19 SINCE 2025
forecast high · Oct 19
7-Day Forecast
NWS NDFD forecast high temperature for Alamosa.
This Day in History
Every year's high on each of the next 7 forecast dates at Alamosa — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.
Ranks
#57 / 94
warmest Oct 17 in 94 yrs of record
Warmest Oct 17 ever
75°F
set in 1991
Coolest Oct 17 ever
37°F
set in 1960
Forecast high 62°F — 57th warmest Oct 17 of 94 years · record 75°F (1991) · warmest since 2024.
Ranks
#67 / 94
warmest Oct 18 in 94 yrs of record
Warmest Oct 18 ever
76°F
set in 2016
Coolest Oct 18 ever
41°F
set in 1965
Forecast high 59°F — 67th warmest Oct 18 of 94 years · record 76°F (2016) · warmest since 2025.
Ranks
#44 / 94
warmest Oct 19 in 94 yrs of record
Warmest Oct 19 ever
76°F
set in 2003
Coolest Oct 19 ever
41°F
set in 1984
Forecast high 63°F — 44th warmest Oct 19 of 94 years · record 76°F (2003) · warmest since 2025.
Ranks
#42 / 94
warmest Oct 20 in 94 yrs of record
Warmest Oct 20 ever
75°F
set in 2003
Coolest Oct 20 ever
37°F
set in 1990
Forecast high 63°F — 42nd warmest Oct 20 of 94 years · record 75°F (2003) · warmest since 2025.
Ranks
#36 / 94
warmest Oct 21 in 94 yrs of record
Warmest Oct 21 ever
76°F
set in 2003
Coolest Oct 21 ever
39°F
set in 2009
Forecast high 63°F — 36th warmest Oct 21 of 94 years · record 76°F (2003) · warmest since 2025.
Ranks
#42 / 94
warmest Oct 22 in 94 yrs of record
Warmest Oct 22 ever
76°F
set in 2003
Coolest Oct 22 ever
26°F
set in 1996
Forecast high 62°F — 42nd warmest Oct 22 of 94 years · record 76°F (2003) · warmest since 2025.
Ranks
#60 / 94
warmest Oct 23 in 94 yrs of record
Warmest Oct 23 ever
74°F
set in 2003
Coolest Oct 23 ever
38°F
set in 1996
Forecast high 59°F — 60th warmest Oct 23 of 94 years · record 74°F (2003) · warmest since 2025.
The hottest and coldest ever recorded at Alamosa in each calendar month, and for the whole 1906–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
63°FJan 31, 2018
-50°FJan 28, 1948
Feb
67°FFeb 3, 2025
-35°FFeb 13, 1948
Mar
83°FMar 21, 2026
-20°FMar 4, 1964
Apr
80°FApr 20, 1989
-6°FApr 8, 1973
May
90°FMay 31, 2002
11°FMay 1, 1967
Jun
95°FJun 26, 1994
23°FJun 3, 1936
Jul
96°FJul 5, 1989
28°FJul 1, 2020
Aug
93°FAug 4, 2026
29°FAug 21, 1964
Sep
89°FSep 5, 2020
15°FSep 30, 1985
Oct
81°FOct 7, 1979
-9°FOct 31, 1991
Nov
71°FNov 9, 1980
-30°FNov 27, 1952
Dec
63°FDec 30, 2017
-42°FDec 14, 1964
All-time
96°FJul 5, 1989
-50°FJan 28, 1948
2026 Records So Far
Records set or tied at Alamosa so far this year — through Oct 15.
Record Highs in 2026
25 broke
plus 15 tied — daily record highs set this year
Monthly high records this year: Mar (83°F), Aug (93°F)
Record Lows in 2026
1 broke
plus 2 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
60°F
record high minimum — the night it never cooled · Jul 15, 1934
Coldest high ever
0°F
record low maximum — the day it never warmed · Dec 7, 1964
Month
Warmest low
Coldest high
Jan
35°FJan 31, 1963
2°FJan 3, 1992
Feb
40°FFeb 20, 1907
5°FFeb 2, 2011
Mar
41°FMar 28, 1963
18°FMar 3, 1965
Apr
43°FApr 26, 1943
23°FApr 4, 1983
May
52°FMay 9, 1963
34°FMay 1, 2011
Jun
58°FJun 30, 2024
50°FJun 10, 1975
Jul
60°FJul 15, 1934
63°FJul 21, 1961
Aug
59°FAug 12, 1907
51°FAug 24, 1992
Sep
54°FSep 21, 2022
40°FSep 27, 1936
Oct
49°FOct 2, 2018
23°FOct 31, 1991
Nov
39°FNov 3, 1932
12°FNov 28, 1976
Dec
40°FDec 6, 1966
0°FDec 7, 1964
All-time
60°FJul 15, 1934
0°FDec 7, 1964
Hot Streaks
Current run
0 days
consecutive days with a high ≥ 90°F
Longest ever
13 days
record run, ended Jul 19 2003
So far in 2026
24 days
days with a high ≥ 90°F this year
Climate Normals
Normal high & low by month, from Alamosa's own 1991–2020 record. Today's normal high: 62°F · forecast is +1° vs normal.
Alamosa'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 Alamosa's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.