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California · THREADEX · 1893–2026

Ukiah, CA

39.128°N, 123.200°W · station UKIthr · 134 years of record
49°F
forecast low · Sep 4

7-Day Forecast

NWS NDFD forecast low temperature for Ukiah.
52°WED9/254°THU9/349°FRI9/449°SAT9/550°SUN9/651°MON9/754°TUE9/8

This Day in History

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

Ranks

#44 / 132
coldest Sep 4 in 132 yrs of record

Coldest Sep 4 ever

37°F
set in 1907

Mildest Sep 4 ever

67°F
set in 2017
Forecast low 49°F — 44th coldest Sep 4 of 132 years · record 37°F (1907) · coldest since 2015.
1893: 47°F1894: 52°F1895: 47°F1896: 57°F1897: 49°F1898: 47°F1899: 46°F1900: 56°F1901: 47°F1902: 45°F1903: 47°F1904: 53°F1905: 45°F1906: 45°F1907: 37°F1908: 50°F1909: 49°F1910: 55°F1911: 50°F1912: 41°F1913: 59°F1914: 41°F1915: 47°F1916: 45°F1917: 44°F1918: 38°F1919: 45°F1920: 45°F1921: 45°F1922: 46°F1923: 50°F1924: 45°F1925: 46°F1926: 48°F1927: 45°F1928: 41°F1929: 48°F1930: 44°F1931: 54°F1932: 51°F1933: 47°F1934: 54°F1935: 53°F1936: 47°F1937: 47°F1938: 50°F1939: 52°F1940: 52°F1941: 52°F1942: 53°F1943: 51°F1944: 49°F1945: 47°F1946: 48°F1947: 50°F1948: 52°F1949: 55°F1950: 60°F1951: 47°F1952: 57°F1953: 55°F1954: 48°F1955: 61°F1956: 50°F1957: 47°F1958: 55°F1959: 48°F1960: 48°F1961: 52°F1962: 52°F1963: 55°F1964: 46°F1965: 49°F1966: 57°F1967: 54°F1968: 52°F1969: 54°F1970: 51°F1971: 51°F1972: 53°F1973: 51°F1974: 53°F1975: 51°F1976: 50°F1977: 59°F1978: 62°F1979: 51°F1980: 55°F1981: 55°F1982: 51°F1983: 56°F1984: 52°F1985: 53°F1986: 58°F1987: 52°F1988: 59°F1989: 53°F1990: 49°F1991: 59°F1992: 55°F1993: 58°F1994: 53°F1995: 49°F1996: 52°F1997: 52°F1998: 62°F2000: 44°F2001: 50°F2002: 47°F2003: 58°F2004: 48°F2005: 51°F2006: 49°F2007: 60°F2008: 52°F2009: 48°F2010: 51°F2011: 52°F2012: 51°F2013: 53°F2014: 53°F2015: 47°F2016: 54°F2017: 67°F2018: 51°F2019: 55°F2020: 55°F2021: 51°F2022: 56°F2023: 53°F2024: 52°F2025: 55°F49° forecast35404550556065701900191019201930194019501960197019801990200020102020
📖 Ukiah's full Climate Almanac →

The Numbers

Forecast low · Sep 449°F
Coldest this date since2015
This-date record37°F
This-date rank#44 of 132
Coldest at any time since2026
All-time record12°F (1898)
Odds to tie/break0.0% (daily)
Period of record1893–2026

Record Book

The hottest and coldest ever recorded at Ukiah in each calendar month, and for the whole 1893–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan82°FJan 27, 198412°FJan 12, 1898
Feb86°FFeb 26, 193218°FFeb 13, 1903
Mar94°FMar 20, 202622°FMar 4, 1923
Apr98°FApr 25, 192623°FApr 1, 1906
May106°FMay 31, 202128°FMay 31, 1919
Jun114°FJun 14, 196135°FJun 1, 1896
Jul117°FJul 6, 202439°FJul 11, 1898
Aug114°FAug 7, 190838°FAug 12, 1918
Sep117°FSep 6, 202230°FSep 18, 1902
Oct107°FOct 2, 202424°FOct 31, 1919
Nov92°FNov 1, 196619°FNov 27, 1919
Dec84°FDec 3, 200613°FDec 12, 1932
All-time117°FSep 6, 202212°FJan 12, 1898

2026 Records So Far

Records set or tied at Ukiah so far this year — through Aug 30.

Record Highs in 2026

1 broke
plus 3 tied — daily record highs set this year
Monthly high record this year: Mar (94°F)

Record Lows in 2026

0 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

73°F
record high minimum — the night it never cooled · Jul 16, 1984

Coldest high ever

34°F
record low maximum — the day it never warmed · Dec 26, 1916
MonthWarmest lowColdest high
Jan56°FJan 21, 197034°FJan 2, 1924
Feb57°FFeb 3, 196337°FFeb 3, 1903
Mar57°FMar 15, 201542°FMar 2, 1896
Apr64°FApr 8, 198946°FApr 4, 2010
May63°FMay 30, 197350°FMay 20, 1901
Jun69°FJun 26, 197357°FJun 1, 1898
Jul73°FJul 16, 198461°FJul 4, 1895
Aug72°FAug 5, 196164°FAug 17, 1976
Sep71°FSep 18, 198458°FSep 26, 1923
Oct63°FOct 16, 192650°FOct 13, 1899
Nov58°FNov 4, 194140°FNov 13, 2000
Dec57°FDec 13, 192934°FDec 26, 1916
All-time73°FJul 16, 198434°FDec 26, 1916

Cold Streaks

Current run

0 days
consecutive days with a low ≤ 32°F

Longest ever

26 days
record run, ended Feb 5 1948

So far in 2026

9 days
days with a low ≤ 32°F this year

Climate Normals

Normal low & low by month, from Ukiah's own 1991–2020 record. Today's normal low: 53°F · forecast is -4° vs normal.
Jan: 58°FJan: 37°FFeb: 60°FFeb: 39°FMar: 65°FMar: 40°FApr: 69°FApr: 43°FMay: 77°FMay: 48°FJun: 85°FJun: 52°FJul: 93°FJul: 56°FAug: 92°FAug: 55°FSep: 88°FSep: 51°FOct: 78°FOct: 45°FNov: 64°FNov: 40°FDec: 56°FDec: 36°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:41 AM
Sunset6:44 PM
Solar noon12:12 PM
Daylight13h 02m · losing 17 min/wk
Local standard time (no DST), level horizon.

Location

39.13°N, 123.20°W

Nearby Stations

Sacramento, CA101 mi ERedding, CA107 mi NESan Francisco Airport, CA113 mi SEEureka, CA126 mi NWStockton, CA136 mi SESan Jose, CA140 mi SE

The Last 6 Weeks

Ukiah's observed daily low for the last six weeks — a white ring marks any day that broke or tied its daily record for that date.
Ukiah, CA — last six weeks of daily low

2026 So Far

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

Every Day Since 1893

Each cell is one day's low at Ukiah, coloured by temperature — 134 years of record, so heat waves read as warm streaks and cold snaps as blue.
Ukiah, CA daily low heat map 1893–2026

Days Below the Mark

How many days a year hit a given low at Ukiah — counted through Sep 4 each year, so you can see whether 2026 is running cold. Pick a threshold:
9 days ≤32°F so far in 2026 — tied for the 118th most in 134 years. Normal for this point: 25. Record: 70 in 1917.

Share Card

A ready-to-share summary of Ukiah's outlook — post it, or link this page.
Ukiah, CA cold share card
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