Colorado · THREADEX · 1906–2026

Alamosa, CO

37.439°N, 105.862°W · station ALSthr · 121 years of record
89°F
forecast high · Jul 13

7-Day Forecast

NWS NDFD forecast high temperature for Alamosa.
89°MON7/1389°TUE7/1486°WED7/1585°THU7/1685°FRI7/1786°SAT7/1888°SUN7/19

This Day in History · Jul 13

Today ranks

#8 / 95
warmest Jul 13 in 95 yrs of record

Hottest Jul 13 ever

93°F
set in 1971

Coolest Jul 13 ever

72°F
set in 1932

Hottest Jul 13 — Year by Year

Every year's high on Jul 13 at Alamosa. The forecast line shows where today lands; the ringed bar is the hottest on record.
7282931906: 79°F1932: 72°F1933: 86°F1934: 88°F1935: 82°F1936: 73°F1937: 78°F1938: 82°F1939: 87°F1940: 84°F1941: 75°F1942: 87°F1943: 87°F1944: 81°F1945: 81°F1946: 80°F1947: 87°F1948: 86°F1949: 82°F1950: 73°F1951: 81°F1952: 82°F1953: 83°F1954: 88°F1955: 86°F1956: 78°F1957: 76°F1958: 87°F1959: 80°F1960: 80°F1961: 82°F1962: 77°F1963: 83°F1964: 77°F1965: 78°F1966: 83°F1967: 80°F1968: 82°F1969: 82°F1970: 85°F1971: 93°F1972: 85°F1973: 76°F1974: 82°F1975: 79°F1976: 83°F1977: 85°F1978: 84°F1979: 89°F1980: 87°F1981: 81°F1982: 85°F1983: 80°F1984: 82°F1985: 83°F1986: 86°F1987: 82°F1988: 86°F1989: 86°F1990: 81°F1991: 81°F1992: 73°F1993: 81°F1994: 81°F1995: 80°F1996: 76°F1997: 83°F1998: 84°F1999: 83°F2000: 82°F2001: 80°F2002: 91°F2003: 93°F2004: 89°F2005: 86°F2006: 86°F2007: 80°F2008: 80°F2009: 88°F2010: 91°F2011: 86°F2012: 82°F2013: 85°F2014: 85°F2015: 79°F2016: 86°F2017: 79°F2018: 82°F2019: 85°F2020: 92°F2021: 83°F2022: 87°F2023: 90°F2024: 92°F2025: 87°F89° forecast190619712025

The Numbers

Forecast high · Jul 1389°F
Hottest this date since2024
This-date record93°F
This-date rank#8 of 95
Hottest at any time since2026
All-time record96°F (1989)
Odds to tie/break0.0% (daily)
Period of record1906–2026

Record Book

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.
MonthRecord HighRecord Low
Jan63°F2018-50°F1948
Feb67°F2025-35°F1948
Mar83°F2026-20°F1964
Apr80°F1989-6°F1973
May90°F200211°F1967
Jun95°F199423°F1936
Jul96°F198928°F2020
Aug92°F202029°F1964
Sep89°F202015°F1985
Oct81°F1979-9°F1991
Nov71°F1980-30°F1952
Dec63°F2017-42°F1964
All-time96°F1989-50°F1948

2026 Records So Far

Records set or tied at Alamosa so far this year — through Jul 11.

Record Highs in 2026

16 broke
plus 4 tied — daily record highs set this year
Monthly high record this year: Mar (83°F)

Record Lows in 2026

1 broke
plus 2 tied — daily record lows set this year

Hot Streaks

Current run

1 days
consecutive days with a high ≥ 90°F

Longest ever

13 days
record run, ended Jul 19 2003

So far in 2026

4 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: 84°F · forecast is +5° vs normal.
Jan: 35°FJan: -1°FFeb: 41°FFeb: 7°FMar: 52°FMar: 17°FApr: 60°FApr: 25°FMay: 70°FMay: 33°FJun: 80°FJun: 41°FJul: 83°FJul: 47°FAug: 81°FAug: 46°FSep: 74°FSep: 37°FOct: 63°FOct: 24°FNov: 48°FNov: 12°FDec: 36°FDec: 0°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise4:53 AM
Sunset7:25 PM
Solar noon12:09 PM
Daylight14h 32m · losing 7 min/wk
Local standard time (no DST), level horizon.

Location

37.44°N, 105.86°W

Nearby Stations

Pueblo, CO94 mi NEColorado Springs, CO114 mi NEClayton, NM164 mi EAlbuquerque, NM170 mi SDenver, CO178 mi NEGrand Junction, CO186 mi NW

The Last 6 Weeks

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.
Alamosa, CO — last six weeks of daily high

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.
Alamosa, CO — 2026 daily high trace
Download year chart

Every Day Since 1906

Each cell is one day's high at Alamosa, coloured by temperature — 121 years of record, so heat waves read as warm streaks and cold snaps as blue.
Alamosa, CO daily high heat map 1906–2026

Days Above the Mark

How many days a year hit a given high at Alamosa — counted through Jul 13 each year, so you can see whether 2026 is running hot. Pick a threshold:
4 days ≥90°F so far in 2026 — tied for the 9th most in 121 years. Normal for this point: 1. Record: 11 in 2003.

Share Card

A ready-to-share summary of Alamosa's outlook — post it, or link this page.
Alamosa, CO hot share card
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part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-13T12:58:10Z
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