37.286°N, 120.518°W · station MCEthr · 128 years of record
88°F
HOTTEST SEP 7 SINCE 2025
forecast high · Sep 7
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
#123 / 123
warmest Sep 1 in 123 yrs of record
Warmest Sep 1 ever
106°F
set in 1905
Coolest Sep 1 ever
79°F
set in 2000
Forecast high 79°F — 123rd warmest Sep 1 of 123 years · record 106°F (1905) · warmest since 2025.
Ranks
#117 / 123
warmest Sep 2 in 123 yrs of record
Warmest Sep 2 ever
109°F
set in 2017
Coolest Sep 2 ever
74°F
set in 2000
Forecast high 84°F — 117th warmest Sep 2 of 123 years · record 109°F (2017) · warmest since 2025.
Ranks
#109 / 124
warmest Sep 3 in 124 yrs of record
Warmest Sep 3 ever
108°F
set in 1903
Coolest Sep 3 ever
75°F
set in 2000
Forecast high 85°F — 109th warmest Sep 3 of 124 years · record 108°F (1903) · warmest since 2025.
Ranks
#120 / 124
warmest Sep 4 in 124 yrs of record
Warmest Sep 4 ever
108°F
set in 1984
Coolest Sep 4 ever
74°F
set in 1912
Forecast high 81°F — 120th warmest Sep 4 of 124 years · record 108°F (1984) · warmest since 2025.
Ranks
#110 / 124
warmest Sep 5 in 124 yrs of record
Warmest Sep 5 ever
108°F
set in 2022
Coolest Sep 5 ever
72°F
set in 1978
Forecast high 83°F — 110th warmest Sep 5 of 124 years · record 108°F (2022) · warmest since 2025.
Ranks
#112 / 124
warmest Sep 6 in 124 yrs of record
Warmest Sep 6 ever
116°F
set in 2022
Coolest Sep 6 ever
78°F
set in 1912
Forecast high 83°F — 112th warmest Sep 6 of 124 years · record 116°F (2022) · warmest since 2025.
Ranks
#89 / 124
warmest Sep 7 in 124 yrs of record
Warmest Sep 7 ever
111°F
set in 2022
Coolest Sep 7 ever
79°F
set in 1919
Forecast high 88°F — 89th warmest Sep 7 of 124 years · record 111°F (2022) · 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 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
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
3 days
consecutive days with a high ≥ 90°F
Longest ever
78 days
record run, ended Sep 16 1967
So far in 2026
84 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: 93°F · forecast is -5° vs normal.