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California · THREADEX · 1899–2026

Merced, CA

37.286°N, 120.518°W · station MCEthr · 128 years of record
54°F
forecast low · Sep 2

7-Day Forecast

NWS NDFD forecast low temperature for Merced.
54°WED9/258°THU9/359°FRI9/458°SAT9/558°SUN9/658°MON9/760°TUE9/8

This Day in History

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

Ranks

#16 / 123
coldest Sep 2 in 123 yrs of record

Coldest Sep 2 ever

46°F
set in 1964

Mildest Sep 2 ever

71°F
set in 2013
Forecast low 54°F — 16th coldest Sep 2 of 123 years · record 46°F (1964) · coldest since 2021.
1899: 55°F1901: 54°F1902: 65°F1903: 70°F1904: 58°F1905: 47°F1906: 57°F1908: 47°F1909: 48°F1910: 62°F1911: 60°F1912: 52°F1913: 57°F1914: 55°F1915: 62°F1916: 59°F1917: 55°F1918: 60°F1919: 55°F1920: 69°F1921: 56°F1922: 55°F1923: 66°F1924: 67°F1925: 54°F1926: 55°F1927: 56°F1928: 56°F1930: 58°F1931: 62°F1932: 56°F1933: 54°F1934: 61°F1935: 57°F1936: 57°F1937: 53°F1938: 56°F1939: 47°F1940: 54°F1941: 58°F1942: 54°F1943: 55°F1944: 55°F1945: 57°F1946: 53°F1947: 60°F1948: 55°F1949: 57°F1950: 63°F1951: 50°F1952: 60°F1953: 62°F1954: 61°F1955: 63°F1956: 57°F1957: 57°F1958: 62°F1959: 58°F1960: 55°F1961: 62°F1962: 56°F1963: 57°F1964: 46°F1965: 52°F1966: 61°F1967: 64°F1968: 61°F1969: 62°F1970: 54°F1971: 58°F1972: 64°F1973: 56°F1974: 50°F1975: 52°F1976: 56°F1977: 56°F1978: 59°F1979: 47°F1980: 55°F1981: 60°F1982: 56°F1983: 59°F1984: 58°F1985: 57°F1986: 61°F1987: 66°F1988: 62°F1989: 55°F1990: 57°F1991: 60°F1992: 57°F1993: 62°F1994: 53°F1995: 59°F1996: 57°F1997: 64°F1999: 52°F2000: 60°F2001: 63°F2002: 59°F2003: 63°F2004: 63°F2005: 58°F2006: 59°F2007: 64°F2008: 56°F2009: 59°F2010: 60°F2011: 58°F2012: 55°F2013: 71°F2014: 64°F2015: 60°F2016: 55°F2017: 69°F2018: 62°F2019: 64°F2020: 61°F2021: 54°F2022: 68°F2023: 65°F2024: 64°F2025: 67°F54° forecast45505560657075191019201930194019501960197019801990200020102020
📖 Merced's full Climate Almanac →

The Numbers

Forecast low · Sep 254°F
Coldest this date since2021
This-date record46°F
This-date rank#16 of 123
Coldest at any time since2026
All-time record15°F (1990)
Odds to tie/break0.0% (daily)
Period of record1899–2026

Record Book

The hottest and coldest ever recorded at Merced in each calendar month, and for the whole 1899–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan75°FJan 9, 195316°FJan 10, 1949
Feb84°FFeb 19, 193020°FFeb 9, 1904
Mar90°FMar 20, 202620°FMar 7, 1908
Apr98°FApr 14, 198525°FApr 2, 1979
May109°FMay 25, 192830°FMay 16, 1978
Jun111°FJun 24, 192537°FJun 18, 1979
Jul114°FJul 24, 190240°FJul 16, 1904
Aug114°FAug 8, 190536°FAug 23, 1979
Sep116°FSep 6, 202232°FSep 22, 1906
Oct106°FOct 3, 202428°FOct 14, 1905
Nov90°FNov 2, 193021°FNov 30, 1906
Dec76°FDec 7, 191215°FDec 24, 1990
All-time116°FSep 6, 202215°FDec 24, 1990

2026 Records So Far

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

Record Highs in 2026

6 broke
plus 1 tied — daily record highs set this year
Monthly high record this year: Mar (90°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

86°F
record high minimum — the night it never cooled · May 21, 1904

Coldest high ever

34°F
record low maximum — the day it never warmed · Jan 8, 1937
MonthWarmest lowColdest high
Jan59°FJan 1, 199734°FJan 8, 1937
Feb59°FFeb 24, 195743°FFeb 20, 1920
Mar59°FMar 22, 201845°FMar 17, 2002
Apr65°FApr 27, 192648°FApr 7, 1999
May86°FMay 21, 190452°FMay 4, 1930
Jun83°FJun 5, 192863°FJun 9, 1964
Jul84°FJul 18, 192572°FJul 4, 1910
Aug81°FAug 5, 200572°FAug 29, 2000
Sep75°FSep 3, 199863°FSep 23, 1904
Oct67°FOct 3, 195255°FOct 31, 2003
Nov60°FNov 22, 190345°FNov 30, 1972
Dec60°FDec 11, 193735°FDec 14, 1972
All-time86°FMay 21, 190434°FJan 8, 1937

Cold Streaks

Current run

0 days
consecutive days with a low ≤ 32°F

Longest ever

49 days
record run, ended Feb 3 1904

So far in 2026

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

Climate Normals

Normal low & low by month, from Merced's own 1991–2020 record. Today's normal low: 59°F · forecast is -5° vs normal.
Jan: 56°FJan: 38°FFeb: 62°FFeb: 40°FMar: 68°FMar: 43°FApr: 74°FApr: 46°FMay: 83°FMay: 52°FJun: 91°FJun: 58°FJul: 96°FJul: 62°FAug: 95°FAug: 61°FSep: 91°FSep: 57°FOct: 80°FOct: 49°FNov: 66°FNov: 41°FDec: 56°FDec: 37°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:32 AM
Sunset6:31 PM
Solar noon12:02 PM
Daylight12h 59m · losing 15 min/wk
Local standard time (no DST), level horizon.

Location

37.29°N, 120.52°W

Nearby Stations

Madera, CA30 mi SEFresno, CA56 mi SEStockton, CA56 mi NWSan Jose, CA77 mi WHanford, CA83 mi SESacramento, CA99 mi NW

The Last 6 Weeks

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

2026 So Far

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

Every Day Since 1899

Each cell is one day's low at Merced, coloured by temperature — 128 years of record, so heat waves read as warm streaks and cold snaps as blue.
Merced, CA daily low heat map 1899–2026

Days Below the Mark

How many days a year hit a given low at Merced — counted through Sep 2 each year, so you can see whether 2026 is running cold. Pick a threshold:
8 days ≤32°F so far in 2026 — tied for the 102nd most in 128 years. Normal for this point: 16. Record: 48 in 1903.

Share Card

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