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California · THREADEX · 1899–2026

Merced, CA

37.286°N, 120.518°W · station MCEthr · 128 years of record
90°F
forecast high · Oct 17

7-Day Forecast

NWS NDFD forecast high temperature for Merced.
90°SAT10/1788°SUN10/1876°MON10/1969°TUE10/2069°WED10/2171°THU10/2270°FRI10/23

This Day in History

Every year's high 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 hottest on record.

Ranks

#8 / 122
warmest Oct 17 in 122 yrs of record

Warmest Oct 17 ever

96°F
set in 1903

Coolest Oct 17 ever

61°F
set in 1924
Forecast high 90°F — 8th warmest Oct 17 of 122 years · record 96°F (1903) · warmest since 2020.
1899: 71°F1901: 85°F1902: 79°F1903: 96°F1905: 78°F1906: 77°F1907: 72°F1908: 63°F1909: 86°F1910: 68°F1911: 80°F1912: 82°F1913: 78°F1914: 77°F1915: 87°F1916: 79°F1917: 72°F1918: 71°F1919: 85°F1920: 69°F1921: 82°F1922: 79°F1923: 76°F1924: 61°F1925: 76°F1926: 86°F1927: 85°F1928: 89°F1929: 68°F1930: 75°F1931: 79°F1932: 79°F1933: 88°F1934: 61°F1935: 68°F1936: 88°F1937: 77°F1938: 64°F1939: 85°F1940: 84°F1941: 86°F1942: 86°F1943: 76°F1944: 84°F1945: 80°F1946: 67°F1947: 75°F1948: 74°F1949: 85°F1950: 78°F1951: 80°F1952: 74°F1954: 81°F1955: 83°F1956: 83°F1957: 79°F1958: 90°F1959: 93°F1960: 86°F1961: 94°F1962: 74°F1963: 73°F1964: 82°F1965: 75°F1966: 81°F1967: 90°F1968: 72°F1969: 69°F1970: 80°F1971: 63°F1972: 71°F1973: 88°F1974: 93°F1975: 87°F1976: 82°F1977: 82°F1978: 84°F1979: 83°F1980: 70°F1982: 88°F1983: 77°F1985: 82°F1986: 73°F1987: 85°F1988: 88°F1989: 79°F1990: 83°F1991: 93°F1992: 78°F1993: 73°F1994: 76°F1995: 80°F1996: 82°F1997: 94°F1998: 75°F1999: 82°F2000: 79°F2001: 78°F2002: 73°F2003: 86°F2004: 76°F2005: 80°F2006: 72°F2007: 68°F2008: 87°F2009: 80°F2010: 70°F2011: 86°F2012: 87°F2013: 82°F2014: 77°F2015: 78°F2016: 76°F2017: 82°F2018: 83°F2019: 74°F2020: 91°F2021: 82°F2022: 81°F2023: 85°F2024: 78°F2025: 74°F90° forecast6065707580859095100191019201930194019501960197019801990200020102020
📖 Merced's full Climate Almanac →

The Numbers

Forecast high · Oct 1790°F
Hottest this date since2020
This-date record96°F
This-date rank#8 of 122
Hottest at any time since2026
All-time record116°F (2022)
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 Oct 15.

Record Highs in 2026

7 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

Hot Streaks

Current run

0 days
consecutive days with a high ≥ 90°F

Longest ever

78 days
record run, ended Sep 16 1967

So far in 2026

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

Climate Normals

Normal high & low by month, from Merced's own 1991–2020 record. Today's normal high: 80°F · forecast is +10° 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

Sunrise6:11 AM
Sunset5:24 PM
Solar noon11:47 AM
Daylight11h 13m · losing 16 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 high 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 high

2026 So Far

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

Every Day Since 1899

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

Days Above the Mark

How many days a year hit a given high at Merced — counted through Oct 17 each year, so you can see whether 2026 is running hot. Pick a threshold:
102 days ≥90°F so far in 2026 — tied for the 42nd most in 128 years. Normal for this point: 95. Record: 127 in 2014.

Share Card

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