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Oregon · THREADEX · 1897–2026

Klamath Falls, OR

42.147°N, 121.725°W · station LMTthr · 130 years of record
72°F
forecast high · Sep 1

7-Day Forecast

NWS NDFD forecast high temperature for Klamath Falls.
72°TUE9/157°WED9/257°THU9/361°FRI9/467°SAT9/568°SUN9/668°MON9/7

This Day in History

Every year's high on each of the next 7 forecast dates at Klamath Falls — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.

Ranks

#107 / 119
warmest Sep 1 in 119 yrs of record

Warmest Sep 1 ever

97°F
set in 1902

Coolest Sep 1 ever

58°F
set in 1912
Forecast high 72°F — 107th warmest Sep 1 of 119 years · record 97°F (1902) · warmest since 2025.
1898: 60°F1899: 85°F1901: 74°F1902: 97°F1905: 92°F1906: 86°F1907: 70°F1908: 82°F1909: 73°F1911: 80°F1912: 58°F1913: 77°F1914: 83°F1915: 79°F1916: 84°F1917: 87°F1918: 87°F1919: 79°F1920: 85°F1921: 81°F1922: 80°F1923: 86°F1924: 83°F1925: 77°F1926: 73°F1927: 73°F1928: 88°F1929: 81°F1930: 83°F1931: 85°F1932: 78°F1933: 86°F1934: 90°F1935: 83°F1936: 84°F1937: 77°F1938: 82°F1939: 66°F1940: 87°F1941: 63°F1942: 85°F1943: 84°F1944: 89°F1945: 87°F1946: 73°F1947: 88°F1948: 81°F1949: 89°F1950: 93°F1951: 75°F1952: 83°F1953: 78°F1954: 83°F1955: 91°F1956: 81°F1957: 83°F1958: 84°F1959: 78°F1960: 85°F1961: 73°F1962: 86°F1963: 76°F1964: 60°F1965: 82°F1966: 77°F1967: 88°F1968: 92°F1969: 92°F1970: 80°F1971: 72°F1972: 86°F1973: 70°F1974: 90°F1975: 69°F1976: 91°F1977: 83°F1978: 83°F1979: 74°F1980: 75°F1983: 68°F1984: 67°F1986: 80°F1987: 92°F1988: 91°F1989: 76°F1990: 83°F1991: 78°F1992: 81°F1993: 86°F1994: 82°F1995: 87°F1996: 87°F1997: 84°F2000: 73°F2001: 82°F2002: 86°F2003: 90°F2004: 86°F2005: 84°F2006: 86°F2007: 83°F2008: 61°F2009: 82°F2010: 76°F2011: 74°F2012: 82°F2013: 87°F2014: 82°F2015: 83°F2016: 79°F2017: 94°F2018: 83°F2019: 86°F2020: 84°F2021: 80°F2022: 95°F2023: 61°F2024: 93°F2025: 88°F72° forecast55606570758085909510019201930194019501960197019801990200020102020
📖 Klamath Falls's full Climate Almanac →

The Numbers

Forecast high · Sep 172°F
Hottest this date since2025
This-date record97°F
This-date rank#107 of 119
Hottest at any time since2026
All-time record104°F (1972)
Odds to tie/break0.0% (daily)
Period of record1897–2026

Record Book

The hottest and coldest ever recorded at Klamath Falls in each calendar month, and for the whole 1897–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan78°FJan 3, 1900-19°FJan 5, 2017
Feb69°FFeb 24, 1995-14°FFeb 12, 2025
Mar77°FMar 12, 1934-5°FMar 1, 1917
Apr87°FApr 27, 198710°FApr 16, 1963
May98°FMay 30, 198617°FMay 6, 1968
Jun103°FJun 28, 202123°FJun 4, 2001
Jul103°FJul 22, 190522°FJul 3, 2000
Aug104°FAug 7, 197228°FAug 30, 1908
Sep103°FSep 9, 190220°FSep 24, 1973
Oct92°FOct 3, 19058°FOct 31, 2002
Nov74°FNov 1, 1965-4°FNov 24, 2010
Dec63°FDec 1, 1904-20°FDec 8, 2013
All-time104°FAug 7, 1972-20°FDec 8, 2013

2026 Records So Far

Records set or tied at Klamath Falls so far this year — through Aug 28.

Record Highs in 2026

5 broke
plus 1 tied — daily record highs set this year
Monthly high record this year: Mar (77°F)

Record Lows in 2026

2 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

73°F
record high minimum — the night it never cooled · Aug 8, 1981

Coldest high ever

3°F
record low maximum — the day it never warmed · Dec 21, 1990
MonthWarmest lowColdest high
Jan47°FJan 21, 19817°FJan 3, 1912
Feb46°FFeb 6, 19638°FFeb 4, 1989
Mar49°FMar 20, 199725°FMar 2, 1917
Apr52°FApr 29, 198132°FApr 11, 1911
May66°FMay 29, 198639°FMay 8, 2022
Jun72°FJun 23, 199242°FJun 1, 1898
Jul71°FJul 21, 199452°FJul 5, 1909
Aug73°FAug 8, 198155°FAug 15, 1976
Sep63°FSep 2, 195043°FSep 29, 1971
Oct56°FOct 3, 191729°FOct 30, 1935
Nov49°FNov 4, 195821°FNov 26, 1985
Dec46°FDec 21, 20143°FDec 21, 1990
All-time73°FAug 8, 19813°FDec 21, 1990

Hot Streaks

Current run

0 days
consecutive days with a high ≥ 90°F

Longest ever

34 days
record run, ended Jul 31 1906

So far in 2026

16 days
days with a high ≥ 90°F this year

Climate Normals

Normal high & low by month, from Klamath Falls's own 1991–2020 record. Today's normal high: 82°F · forecast is -10° vs normal.
Jan: 41°FJan: 22°FFeb: 46°FFeb: 24°FMar: 52°FMar: 28°FApr: 58°FApr: 30°FMay: 68°FMay: 38°FJun: 76°FJun: 43°FJul: 86°FJul: 50°FAug: 85°FAug: 48°FSep: 77°FSep: 41°FOct: 64°FOct: 32°FNov: 49°FNov: 26°FDec: 40°FDec: 22°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:32 AM
Sunset6:41 PM
Solar noon12:07 PM
Daylight13h 09m · losing 19 min/wk
Local standard time (no DST), level horizon.

Location

42.15°N, 121.72°W

Nearby Stations

Medford, OR60 mi WMount Shasta, CA65 mi SWAlturas, CA75 mi SERedding, CA116 mi SCrescent City, CA131 mi WEureka, CA156 mi SW

The Last 6 Weeks

Klamath Falls'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.
Klamath Falls, OR — last six weeks of daily high

2026 So Far

Every day this year against Klamath Falls's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.
Klamath Falls, OR — 2026 daily high trace
Download year chart

Every Day Since 1897

Each cell is one day's high at Klamath Falls, coloured by temperature — 130 years of record, so heat waves read as warm streaks and cold snaps as blue.
Klamath Falls, OR daily high heat map 1897–2026

Days Above the Mark

How many days a year hit a given high at Klamath Falls — counted through Sep 1 each year, so you can see whether 2026 is running hot. Pick a threshold:
16 days ≥90°F so far in 2026 — tied for the 70th most in 130 years. Normal for this point: 19. Record: 50 in 1906.

Share Card

A ready-to-share summary of Klamath Falls's outlook — post it, or link this page.
Klamath Falls, OR hot share card
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