37.286°N, 120.518°W · station MCEthr · 128 years of record
90°F
HOTTEST OCT 17 SINCE 2020
forecast high · Oct 17
7-Day Forecast
NWS NDFD forecast high temperature for Merced.
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.
Ranks
#17 / 122
warmest Oct 18 in 122 yrs of record
Warmest Oct 18 ever
98°F
set in 1903
Coolest Oct 18 ever
58°F
set in 1934
Forecast high 88°F — 17th warmest Oct 18 of 122 years · record 98°F (1903) · warmest since 2023.
Ranks
#84 / 121
warmest Oct 19 in 121 yrs of record
Warmest Oct 19 ever
94°F
set in 1903
Coolest Oct 19 ever
63°F
set in 1920
Forecast high 76°F — 84th warmest Oct 19 of 121 years · record 94°F (1903) · warmest since 2025.
Ranks
#113 / 123
warmest Oct 20 in 123 yrs of record
Warmest Oct 20 ever
94°F
set in 1927
Coolest Oct 20 ever
57°F
set in 1920
Forecast high 69°F — 113th warmest Oct 20 of 123 years · record 94°F (1927) · warmest since 2025.
Ranks
#108 / 122
warmest Oct 21 in 122 yrs of record
Warmest Oct 21 ever
94°F
set in 1927
Coolest Oct 21 ever
60°F
set in 1920
Forecast high 69°F — 108th warmest Oct 21 of 122 years · record 94°F (1927) · warmest since 2025.
Ranks
#104 / 123
warmest Oct 22 in 123 yrs of record
Warmest Oct 22 ever
95°F
set in 1901
Coolest Oct 22 ever
62°F
set in 1908
Forecast high 71°F — 104th warmest Oct 22 of 123 years · record 95°F (1901) · warmest since 2024.
Ranks
#101 / 123
warmest Oct 23 in 123 yrs of record
Warmest Oct 23 ever
91°F
set in 1937
Coolest Oct 23 ever
60°F
set in 1899
Forecast high 70°F — 101st warmest Oct 23 of 123 years · record 91°F (1937) · warmest since 2025.
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.
Month
Record High
Record Low
Jan
75°FJan 9, 1953
16°FJan 10, 1949
Feb
84°FFeb 19, 1930
20°FFeb 9, 1904
Mar
90°FMar 20, 2026
20°FMar 7, 1908
Apr
98°FApr 14, 1985
25°FApr 2, 1979
May
109°FMay 25, 1928
30°FMay 16, 1978
Jun
111°FJun 24, 1925
37°FJun 18, 1979
Jul
114°FJul 24, 1902
40°FJul 16, 1904
Aug
114°FAug 8, 1905
36°FAug 23, 1979
Sep
116°FSep 6, 2022
32°FSep 22, 1906
Oct
106°FOct 3, 2024
28°FOct 14, 1905
Nov
90°FNov 2, 1930
21°FNov 30, 1906
Dec
76°FDec 7, 1912
15°FDec 24, 1990
All-time
116°FSep 6, 2022
15°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
Month
Warmest low
Coldest high
Jan
59°FJan 1, 1997
34°FJan 8, 1937
Feb
59°FFeb 24, 1957
43°FFeb 20, 1920
Mar
59°FMar 22, 2018
45°FMar 17, 2002
Apr
65°FApr 27, 1926
48°FApr 7, 1999
May
86°FMay 21, 1904
52°FMay 4, 1930
Jun
83°FJun 5, 1928
63°FJun 9, 1964
Jul
84°FJul 18, 1925
72°FJul 4, 1910
Aug
81°FAug 5, 2005
72°FAug 29, 2000
Sep
75°FSep 3, 1998
63°FSep 23, 1904
Oct
67°FOct 3, 1952
55°FOct 31, 2003
Nov
60°FNov 22, 1903
45°FNov 30, 1972
Dec
60°FDec 11, 1937
35°FDec 14, 1972
All-time
86°FMay 21, 1904
34°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.