Alamosa, CO

4 October 2026: 2026 so far averaged 50.5°F in Alamosa, CO, the warmest 1 January to 4 October on record, in 94 years since 1933; provisional.

Sunday 4 October 2026

High: 74°F; Warmest since 2024; 12th warmest of 95
Low: 37°F; Warmest since 2019; 17th warmest of 95

No measurable precipitation in Alamosa, CO for 4 days to Sunday 4 October 2026.

Every 4 October low in Alamosa, CO since 1932: 37°F in 2026; the lowest is 17°F, in 1986.

Normal range, 22.8 to 40.2°F

Every year as a table

Every 4 October high in Alamosa, CO since 1932: 74°F in 2026; the highest is 79°F, in 2024.

Year	High, °F	Low, °F
2026	74	37
2025	72	34
2024	79	32
2023	63	31
2022	66	33
2021	72	29
2020	72	25
2019	70	40
2018	68	35
2017	75	43
2016	60	21
2015	65	40
2014	70	27
2013	54	31
2012	74	29
2011	69	35
2010	73	32
2009	68	31
2008	63	40
2007	74	29
2006	75	30
2005	73	42
2004	65	26
2003	59	37
2002	59	20
2001	74	29
2000	64	39
1999	71	20
1998	56	32
1997	76	31
1996	58	35
1995	59	23
1994	69	43
1993	75	29
1992	72	26
1991	71	28
1990	70	28
1989	59	44
1988	68	31
1987	77	24
1986	60	17
1985	70	26
1984	45	40
1983	65	23
1982	74	27
1981	67	30
1980	75	24
1979	73	23
1978	72	20
1977	75	37
1976	57	36
1975	73	25
1974	69	36
1973	66	29
1972	73	46
1971	63	23
1970	67	35
1969	59	34
1968	58	39
1967	69	40
1966	66	29
1965	74	25
1964	73	30
1963	76	29
1962	74	30
1961	68	21
1960	66	35
1959	46	19
1958	74	26
1957	66	44
1956	73	28
1955	66	35
1954	77	39
1953	68	21
1952	73	28
1951	65	24
1950	74	28
1949	74	31
1948	70	30
1947	75	30
1946	71	35
1945	69	22
1944	57	22
1943	70	25
1942	70	23
1941	49	33
1940	68	34
1939	66	35
1938	69	31
1937	67	41
1936	65	25
1935	71	31
1934	74	26
1933	67	42
1932	53	30

The forecast

Date	High	Low
6 October	75°FRecord 79°F, 2024	36°FRecord 13°F, 1995, 1969
7 October	Record 81°F, 1979	Record 10°F, 1955

The month and the year

Every year's 1 to 4 October in Alamosa, CO, ranked by its mean temperature: October 2026 so far is the tied 21st warmest of 95.

Every year, ranked, as a table

Rank	Year	Mean, °F
1	2018	58.1
2	2024	56.5
2	2015	56.5
4	1954	56.3
5	1967	55.5
6	2005	55.3
7	1989	55.1
8	2010	54.8
8	1997	54.8
10	1972	54.6
11	1946	54.5
11	1933	54.5
13	1957	54.1
14	2017	53.8
14	2000	53.8
16	2006	53.5
17	2025	53.4
17	1963	53.4
19	1947	53.1
20	2011	53
21	2026	52.8
21	1977	52.8
21	1964	52.8
24	1952	52.6
25	1979	52.5
25	1934	52.5
27	2023	52.4
28	2019	52.1
28	2001	52.1
30	2008	51.9
31	1987	51.6
32	1955	51.5
32	1938	51.5
34	2022	51.4
35	1976	51.3
35	1960	51.3
35	1939	51.3
38	1993	51.1
38	1991	51.1
40	1994	50.9
40	1990	50.9
40	1937	50.9
43	1996	50.8
43	1949	50.8
43	1935	50.8
46	1980	50.6
47	1940	50.5
48	2016	50.4
48	1988	50.4
50	1951	50.3
50	1942	50.3
52	2012	50.1
52	1968	50.1
54	1992	49.9
54	1970	49.9
54	1950	49.9
57	2003	49.8
57	1966	49.8
57	1932	49.8
60	2020	49.6
60	1953	49.6
62	2013	49.5
62	1973	49.5
64	1974	49.4
64	1956	49.4
66	1978	49.3
67	2007	49
67	1948	49
69	1969	48.9
70	2021	48.6
70	1981	48.6
70	1962	48.6
70	1958	48.6
74	1999	48.1
75	1944	48
76	1975	47.9
77	1982	47.6
77	1941	47.6
79	1984	47.5
80	1998	47.4
81	1965	47.3
82	2014	46.8
83	1943	46.1
83	1936	46.1
85	1983	45.8
86	2004	44.9
87	1995	44.8
88	2002	44.6
89	1985	43.9
90	1986	43.5
91	1961	42.4
92	2009	42.1
93	1945	41.8
94	1971	40.4
95	1959	38.6

Every day as a table

Daily highs and lows in Alamosa, CO, 1 to 4 October 2026, with each date's record range and its 1991 to 2020 normal range.

Day	High, °F	Low, °F	Record high	Year	Record low	Year	Normal high	Normal low
1 October 2026	62	39	80	2024	17	1965	73	30
2 October 2026	70	32	80	2024	12	2009	73.5	30.5
3 October 2026	75	33	79	2024	16	1961	71	30.5
4 October 2026	74	37	79	2024	17	1986	69.5	31

The warmest, coldest and wettest on this date

The 20 warmest 4 October highs in Alamosa, CO since 1932.
Rank	Year	High, °F
1	2024	79
2	1987	77
2	1954	77
4	1997	76
4	1963	76
6	2017	75
6	2006	75
6	1993	75
6	1980	75
6	1977	75
6	1947	75
12	2026	74
12	2012	74
12	2007	74
12	2001	74
12	1982	74
12	1965	74
12	1962	74
12	1958	74
12	1950	74

The 20 coldest 4 October lows in Alamosa, CO since 1932.
Rank	Year	Low, °F
1	1986	17
2	1959	19
3	2002	20
3	1999	20
3	1978	20
6	2016	21
6	1961	21
6	1953	21
9	1945	22
9	1944	22
11	1995	23
11	1983	23
11	1979	23
11	1971	23
11	1942	23
16	1987	24
16	1980	24
16	1951	24
19	2020	25
19	1975	25

The 20 wettest 4 October days in Alamosa, CO since 1932.
Rank	Year	Precipitation, in
1	1984	0.49
2	1941	0.28
3	2015	0.24
4	1994	0.10
5	2000	0.09
5	1968	0.09
7	2011	0.06
8	1940	0.05
9	2003	0.04
9	1976	0.04
9	1933	0.04
12	2018	0.03
12	2005	0.03
14	2017	0.02
14	1974	0.02
14	1969	0.02
14	1946	0.02
18	1998	0.01
19	2025	trace
19	2019	trace

Every answer in words

Sunday 4 October 2026: a high of 74°F in Alamosa, CO, the warmest 4 October since 2024, tied 12th warmest of 95 (with 2012, 2007, 2001 and 7 other years).
Sunday 4 October 2026: a low of 37°F in Alamosa, CO, the warmest 4 October night since 2019, tied 17th warmest of 95 (with 2003 and 1977).
Forecast for Tuesday 6 October 2026: a high of 75°F in Alamosa, CO, which would be the warmest 6 October since 2024, tied 8th warmest of 95 (with 1997, 1993, 1965 and 1 other year) (National Weather Service forecast).
Forecast for Tuesday 6 October 2026: a low of 36°F in Alamosa, CO, which would be the warmest 6 October night since 2017, tied 16th warmest of 95 (with 2007 and 1962) (National Weather Service forecast).
Alamosa, CO on 6 October: record high 79°F (2024), record low 13°F (1995 and 1969).
Alamosa, CO on 7 October: record high 81°F (1979), record low 10°F (1955).
October 2026 so far averaged 52.8°F in Alamosa, CO, the warmest 1 to 4 October since 2025, tied 21st warmest of 95 (with 1977 and 1964).
October 2026 so far brought 0.00 in of precipitation in Alamosa, CO, tying the record for the driest 1 to 4 October, set in 2024, 2020, 2013 and 36 other years, in 95 years since 1932; provisional.
Fall 2026 so far averaged 58.8°F in Alamosa, CO, the warmest 1 September to 4 October since 2022, 2nd warmest of 95.
Fall 2026 so far brought 2.27 in of precipitation in Alamosa, CO, the wettest 1 September to 4 October since 2013, 5th wettest of 95.
The 30 days to Sunday 4 October 2026 brought 2.26 in of precipitation in Alamosa, CO, the driest 30 days to 4 October since 2025, 92nd driest of 95.
The 60 days to Sunday 4 October 2026 brought 2.45 in of precipitation in Alamosa, CO, the driest 60 days to 4 October since 2025, 76th driest of 95.
Alamosa, CO has had 24 days at 90°F or above in 2026 through 4 October, the most on record by that date, in 94 years since 1933; provisional.
Alamosa, CO has had 137 freezing nights (a low of 32°F or below) in 2026 through 4 October, the most by that date since 2025, tied 64th most of 94 (with 2023, 2020, 2014 and 6 other years).
The first freeze of fall 2026 in Alamosa, CO came on Friday 11 September 2026, the earliest since 2020, tied 45th earliest of 95 (with 1986).
The last freeze of spring 2026 in Alamosa, CO came on Monday 1 June 2026, the latest since 2023, tied 69th latest of 94 (with 1988).

Nearby

Pueblo, CO 94.4 mi
Colorado Springs, CO 114.1 mi
Clayton, NM 164.5 mi
Albuquerque, NM 170.9 mi
Denver, CO 178.6 mi
Alamosa County, CO county average
Colorado every city and county

All-time records

About these figures

Daily records for Alamosa, CO run from 1906 to 4 October 2026, with 9145 days missing; current station ALAMOSA-BERGMAN FIELD.

Our calculation from NOAA records for Alamosa, CO, 1906 to 2026. Preliminary until NOAA's final data.