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May 2026


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The temperature reached 88° in Central Park and 90° in Newark. Reading, PA had a high of 96°, which was 1° short of its May monthly record. Even hotter temperatures are likely tomorrow in the East.

Temperatures will then rocket well into the 90s tomorrow. Wednesday will be another hot day with highs in the 90s. Even as tomorrow and Wednesday coincide with historic 1962 and 1996 May outbreaks of extreme heat in the Northeast, parts of the region could still approach or reach record values. 

Records for May 19th:
Albany: 91°, 1903, 1962, 1986, 1989
Allentown: 97°, 1962
Atlantic City: 91°, 2017
Baltimore: 98°, 1962
Boston: 90°, 1949, 1986, 2017
Bridgeport: 89°, 2017
Hartford: 94°, 1962
Islip: 89°, 2017
New York City-Central Park: 99°, 1962
New York City-JFK Airport: 92°, 2017
New York City-LaGuardia Airport: 96°, 2017
Newark: 98°, 1962
Norfolk: 96°, 1880
Philadelphia: 96°, 1962
Poughkeepsie: 96°, 1962
Providence: 91°, 2017
Richmond: 97°, 1962
Sterling: 92°, 1996, 1997
Trenton: 96°, 1962
Washington, DC: 96°, 1911, 1997
Westfield: 90°, 2017
White Plains: 95°, 1962
Worcester: 92°, 1962

Records for May 20th:
Albany: 91°, 1962
Allentown: 92°, 1962, 1996
Atlantic City: 96°, 1996
Baltimore: 95°, 1962
Boston: 91°, 1996
Bridgeport: 97°, 1996
Hartford: 99°, 1996
Islip: 98°, 1996
New York City-Central Park: 96°, 1996
New York City-JFK Airport: 95°, 1996
New York City-LaGuardia Airport: 97°, 1996
Newark: 99°, 1996
Norfolk: 98°, 1996
Philadelphia: 94°, 1962, 1996
Poughkeepsie: 91°, 1962, 1975
Providence: 95°, 1996
Richmond: 97°, 2022
Sterling: 93°, 1996
Trenton: 94°, 1996
Washington, DC: 96°, 1996
Westfield: 86°, 2012
White Plains: 95°, 1996
Worcester: 91°, 1903

In addition, 2026 will become Central Park's second year on record that saw a monthly maximum temperature of 80° or above in March, and 90° or above in both April and May. Currently, 1977 with a March high of 81°, April high of 90°, and May high of 92° is the only such year. 2026 has seen a March high of 81° and April high of 90°.

Thursday will see temperatures top out in the lower 70s. Afterward, it will turn much cooler with highs only in the 60s on Friday and Saturday.

The ENSO Region 1+2 anomaly was +1.8°C and the Region 3.4 anomaly was +0.9°C for the week centered around May 13. For the past six weeks, the ENSO Region 1+2 anomaly has averaged +1.63°C and the ENSO Region 3.4 anomaly has averaged +0.70°C. El Niño conditions are now in place. The ongoing El Niño will continue to strenthen through the summer.

The SOI was -6.11 today. 

The preliminary Arctic Oscillation (AO) was +0.583 today. 

Based on sensitivity analysis applied to the latest guidance, there is an implied near 57% probability that New York City will have a warmer than normal May (1991-2020 normal). May will likely finish with a mean temperature near 63.6° (0.4° above normal). 

Supplemental Information: The projected mean would be 1.1° above the 1981-2010 normal monthly value. 

 

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Highs approaching the May monthly max in NJ today.

Time Series Summary for NEWARK LIBERTY INTL AP, NJ - Month of May Highest Monthly Maximum Temperature
Click column heading to sort ascending, click again to sort descending.
1 1996 99 0
2 2022 98 0
- 1992 98 0
- 1987 98 0
- 1962 98 0
3 1965 97 0
- 1895 97 0
4 2021 96 0
- 2016 96 0
- 1969 96 0
- 1964 96 0
- 1914 96 0
- 1880 96 0
5 2010 95 0
- 1994 95 0
- 1986 95 0
- 1941 95 0
- 1939 95 0

 

Monthly Data for May 1996 for New Jersey
Click column heading to sort ascending, click again to sort descending.
PENNSAUKEN 1N COOP 100
NEWARK LIBERTY INTL AP WBAN 99
Newark Area ThreadEx 99
TOMS RIVER COOP 99
PHILADELPHIA/MT. HOLLY WFO COOP 98
PEMBERTON COOP 98
PLAINFIELD COOP 97
INDIAN MILLS 2 W COOP 97
CRANFORD COOP 96
JERSEY CITY COOP 96
PHILLIPSBURG-EASTON BRIDGE COOP 96
TETERBORO AIRPORT WBAN 96
LITTLE FALLS COOP 96
WAYNE COOP 96
WANAQUE RAYMOND DAM COOP 96
HARRISON COOP 96
Atlantic City Area ThreadEx 96
BELLEPLAIN STA FOREST COOP 96
ATLANTIC CITY INTL AP WBAN 96
WOODSTOWN PITTSGROV 4E COOP 96
MOORESTOWN 4 E COOP 96
Monthly Data for May 2022 for New Jersey
Click column heading to sort ascending, click again to sort descending.
NEWARK LIBERTY INTL AP WBAN 98
TETERBORO AIRPORT WBAN 98
Newark Area ThreadEx 98
ESTELL MANOR COOP 96
HARRISON COOP 96
SOUTH JERSEY REGIONAL AIRPORT WBAN 96
ATLANTIC CITY INTL AP WBAN 95
INDIAN MILLS 2 W COOP 95
CALDWELL ESSEX COUNTY AP WBAN 95
AEROFLEX-ANDOVER AIRPORT WBAN 95
SOMERSET AIRPORT WBAN 95
EB FORSYTHE NEW JERSEY RAWS 95
Atlantic City Area ThreadEx 95

 

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