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California · THREADEX · 1893–2026

Redding, CA

40.515°N, 122.298°W · station RDDthr · 134 years of record
49°F
forecast low · Sep 4

7-Day Forecast

NWS NDFD forecast low temperature for Redding.
52°WED9/254°THU9/349°FRI9/449°SAT9/552°SUN9/652°MON9/754°TUE9/8

This Day in History

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

Ranks

#3 / 128
coldest Sep 4 in 128 yrs of record

Coldest Sep 4 ever

43°F
set in 1912

Mildest Sep 4 ever

80°F
set in 2017
Forecast low 49°F — 3rd coldest Sep 4 of 128 years · record 43°F (1912) · coldest since 1947.
1893: 56°F1894: 64°F1895: 54°F1896: 71°F1897: 57°F1898: 65°F1899: 54°F1900: 58°F1901: 69°F1902: 69°F1903: 62°F1904: 69°F1905: 61°F1906: 55°F1907: 70°F1908: 70°F1909: 68°F1910: 64°F1911: 63°F1912: 43°F1913: 56°F1915: 60°F1916: 53°F1917: 55°F1918: 53°F1919: 49°F1920: 66°F1921: 74°F1922: 60°F1923: 70°F1924: 57°F1925: 57°F1926: 53°F1927: 60°F1928: 64°F1931: 67°F1932: 69°F1933: 59°F1934: 71°F1935: 69°F1936: 58°F1937: 57°F1938: 65°F1939: 61°F1940: 54°F1941: 68°F1942: 60°F1943: 68°F1944: 58°F1945: 55°F1946: 56°F1947: 45°F1948: 67°F1949: 56°F1950: 71°F1951: 57°F1952: 67°F1953: 64°F1954: 61°F1955: 74°F1956: 69°F1957: 65°F1958: 65°F1959: 59°F1960: 64°F1961: 65°F1962: 62°F1963: 69°F1964: 61°F1965: 57°F1966: 69°F1967: 68°F1969: 67°F1970: 61°F1971: 66°F1972: 63°F1973: 66°F1975: 69°F1976: 65°F1977: 61°F1978: 64°F1979: 59°F1980: 59°F1981: 54°F1982: 54°F1983: 64°F1984: 55°F1985: 56°F1986: 66°F1987: 56°F1988: 71°F1989: 53°F1990: 53°F1991: 67°F1992: 57°F1993: 64°F1994: 60°F1995: 53°F1996: 58°F1997: 59°F1998: 72°F1999: 56°F2000: 56°F2001: 61°F2002: 64°F2003: 68°F2004: 65°F2005: 61°F2006: 58°F2007: 62°F2008: 68°F2009: 60°F2010: 61°F2011: 62°F2012: 57°F2013: 56°F2014: 65°F2015: 58°F2016: 69°F2017: 80°F2018: 63°F2019: 60°F2020: 65°F2021: 53°F2022: 63°F2023: 61°F2024: 56°F2025: 68°F49° forecast404550556065707580190019101920194019501960197019801990200020102020
📖 Redding's full Climate Almanac →

The Numbers

Forecast low · Sep 449°F
Coldest this date since1947
This-date record43°F
This-date rank#3 of 128
Coldest at any time since2026
All-time record16°F (2009)
Odds to tie/break0.0% (daily)
Period of record1893–2026

Record Book

The hottest and coldest ever recorded at Redding in each calendar month, and for the whole 1893–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan87°FJan 2, 192016°FJan 17, 2012
Feb87°FFeb 2, 192020°FFeb 9, 1903
Mar93°FMar 17, 191427°FMar 4, 1896
Apr98°FApr 25, 192628°FApr 9, 1999
May109°FMay 31, 202131°FMay 1, 1948
Jun117°FJun 25, 200638°FJun 12, 1952
Jul119°FJul 6, 202448°FJul 3, 1983
Aug118°FAug 10, 197144°FAug 25, 1984
Sep116°FSep 3, 198839°FSep 20, 1947
Oct106°FOct 7, 191729°FOct 30, 1935
Nov99°FNov 1, 192721°FNov 13, 1985
Dec83°FDec 1, 202116°FDec 9, 2009
All-time119°FJul 6, 202416°FDec 9, 2009

2026 Records So Far

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

Record Highs in 2026

3 broke
plus 1 tied — daily record highs set this year
Monthly high record this year: Mar (93°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

87°F
record high minimum — the night it never cooled · Aug 11, 1971

Coldest high ever

29°F
record low maximum — the day it never warmed · Dec 10, 1932
MonthWarmest lowColdest high
Jan59°FJan 1, 199731°FJan 9, 1937
Feb65°FFeb 9, 202236°FFeb 2, 1939
Mar65°FMar 7, 190538°FMar 2, 1976
Apr72°FApr 29, 198144°FApr 1, 1982
May79°FMay 31, 202151°FMay 11, 1942
Jun86°FJun 15, 200457°FJun 7, 1988
Jul87°FJul 15, 197268°FJul 1, 1916
Aug87°FAug 11, 197167°FAug 18, 1924
Sep83°FSep 19, 200055°FSep 30, 1919
Oct74°FOct 2, 195851°FOct 31, 1900
Nov68°FNov 19, 189541°FNov 28, 2005
Dec59°FDec 9, 198829°FDec 10, 1932
All-time87°FAug 11, 197129°FDec 10, 1932

Cold Streaks

Current run

0 days
consecutive days with a low ≤ 32°F

Longest ever

20 days
record run, ended Jan 6 1991

So far in 2026

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

Climate Normals

Normal low & low by month, from Redding's own 1991–2020 record. Today's normal low: 61°F · forecast is -12° vs normal.
Jan: 56°FJan: 37°FFeb: 60°FFeb: 40°FMar: 65°FMar: 43°FApr: 71°FApr: 47°FMay: 81°FMay: 54°FJun: 91°FJun: 62°FJul: 99°FJul: 66°FAug: 97°FAug: 64°FSep: 92°FSep: 58°FOct: 79°FOct: 50°FNov: 64°FNov: 41°FDec: 56°FDec: 37°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:36 AM
Sunset6:41 PM
Solar noon12:09 PM
Daylight13h 05m · losing 18 min/wk
Local standard time (no DST), level horizon.

Location

40.52°N, 122.30°W

Nearby Stations

Mount Shasta, CA55 mi NEureka, CA99 mi WUkiah, CA107 mi SWAlturas, CA112 mi NEKlamath Falls, OR116 mi NMedford, OR131 mi N

The Last 6 Weeks

Redding'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.
Redding, CA — last six weeks of daily low

2026 So Far

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

Every Day Since 1893

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

Days Below the Mark

How many days a year hit a given low at Redding — counted through Sep 4 each year, so you can see whether 2026 is running cold. Pick a threshold:
10 days ≤32°F so far in 2026 — tied for the 75th most in 134 years. Normal for this point: 13. Record: 42 in 1982.

Share Card

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