40.196°N, 76.772°W · station MDTthr · 1888–2026 · 139 years of record
The Almanac Ribbon
Every day of the year at Middletown-Harrisburg: the record high and record low ever set (outer lines), the everyday normal range (shaded band), and the full record envelope behind it.
Record highRecord lowNormal high–low band (1991–2020)hottest ever 107°F · coldest ever -22°F
Records by Month
Month
Record high
Record low
Jan
73°Jan 14, 1932
-22°Jan 21, 1994
Feb
79°Feb 21, 2018
-13°Feb 10, 1899
Mar
87°Mar 30, 1998
-1°Mar 7, 2015
Apr
93°Apr 25, 1915
11°Apr 1, 1923
May
97°May 31, 1939
30°May 10, 2020
Jun
100°Jun 29, 1934
40°Jun 11, 1980
Jul
107°Jul 3, 1966
49°Jul 12, 1945
Aug
104°Aug 6, 1918
45°Aug 31, 1976
Sep
102°Sep 2, 1953
30°Sep 24, 1963
Oct
97°Oct 5, 1941
23°Oct 24, 1969
Nov
84°Nov 1, 1950
10°Nov 30, 1929
Dec
75°Dec 29, 1984
-8°Dec 23, 1960
All-time
107°Jul 3, 1966
-22°Jan 21, 1994
Longest-Standing Records
The daily records that have held the longest — set in the earliest years and never beaten since. Highs power Middletown-Harrisburg on hottestsince.com; lows on coldestsince.com.
Oldest-standing record highs
Date
Record
Set
Standing
Dec 24
66°
1889
137yrs
Dec 25
66°
1889
137yrs
Feb 5
74°
1890
136yrs
Feb 18
69°
1890
136yrs
May 29
95°
1895
131yrs
May 31
97°
1895
131yrs
Jun 1
96°
1895
131yrs
Jun 2
96°
1895
131yrs
Sep 19
93°
1895
131yrs
Sep 20
94°
1895
131yrs
Nov 8
75°
1895
131yrs
Apr 17
91°
1896
130yrs
Oldest-standing record lows
Date
Record
Set
Standing
Jul 13
55°
1888
138yrs
Sep 7
46°
1888
138yrs
Feb 23
6°
1889
137yrs
Jul 19
53°
1890
136yrs
Jul 20
52°
1890
136yrs
Jul 21
50°
1890
136yrs
Jun 7
43°
1891
135yrs
Jul 31
55°
1891
135yrs
Apr 26
32°
1892
134yrs
Jul 17
56°
1892
134yrs
Jul 18
54°
1892
134yrs
Jan 10
2°
1893
133yrs
All-Time Extremes
Hottest ever
107°F
1966-07-03
Coldest ever
-22°F
1994-01-21
Longest heat streak
11 days
≥ 90°F · ended 1901-07-06
The Warming Trend
Middletown-Harrisburg's annual mean temperature, each year a stripe — blue below the 1991–2020 average, red above.
Days Above / Below the Mark
15 days ≥90°F in 2026 · normal 20 · record 60 in 1966
72 days ≤32°F in 2026 · normal 101 · record 131 in 1904
The Full Record
Every day of the year, record and normal high & low with the year each record was set. Type to filter, click a column to sort.