Islip/Macarthur Arpt
Weather station · 40.8°N 73.1°W · 25 m above sea level
ICAO KISPWMO 72505Station data since 1963
Record high
31.1°C
in 1970
Record low
4.4°C
in 1976
Average high
22.1°C
all years on record
15.5°C short of the record for 23 September
Today’s high 15.6°C against 31.1°C in 1970. A reading that beats it is flagged here automatically, once a second cycle confirms it.
All-time record high
40.0°C
- Date
- Sunday, 3 July 1966
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Islip/Macarthur Arpt, United States
- Position
- 40.79°N 73.10°W · 25 m
Highest highest in available records since 1963. Source: NOAA GHCN-Daily.
All-time record low
−25.6°C
- Date
- Monday, 13 February 1967
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Islip/Macarthur Arpt, United States
- Position
- 40.79°N 73.10°W · 25 m
Highest and lowest lowest in available records since 1963. Source: NOAA GHCN-Daily.
Where Islip/Macarthur Arpt is
40.79°N 73.10°W
Islip/Macarthur Arpt
Ground · satellite
Land surface temperature for 2026-09-22, from NASA GIBS. This is the temperature of the ground seen from orbit, not the air, and it is never ranked against air readings. Cloud hides the ground, so gaps are unread rather than guessed.
View more on Google Maps- 1
Islip/Macarthur Arpt has dropped below freezing on 5780 nights since 1963. The desert remembers every one of them.
From our dataNights with a minimum below 0°C since 1963. - 2
Today is colder than 53% of all days recorded here since 1963.
From our dataToday's high against every day recorded at this station since 1963. - 3
Right now CONCORDIA is 87.6°C colder than Islip/Macarthur Arpt. Same planet. Same afternoon.
From our dataBoth readings are live and ranked on this site now. - 4
The coldest night Islip/Macarthur Arpt has ever recorded, −25.6°C, would pass for a warm spell at CONCORDIA, which is −72.0°C right now.
From our dataThis station's record low against the current live reading at CONCORDIA.
New facts every day. Report an error.
Every year on record
1963 to 2026
Annual average · °C
Trend over 62 years with data: +0.34 °C per decade
Source: NOAA GHCN-Daily. Years the station did not cover are left as gaps, never joined across. The dashed line is a least squares trend through the years that have data.
Records by month
Jan
20.6°
−22.2°
Feb
21.7°
−25.6°
Mar
27.8°
−17.8°
Apr
34.4°
−8.9°
May
36.7°
0.0°
Jun
38.3°
5.6°
Jul
40.0°
9.4°
Aug
37.8°
7.2°
Sep
34.4°
Recent days
| Day | High | At | Low | At |
|---|---|---|---|---|
| 2026-09-23 | 15.6°C | 00:56 UTC | 13.3°C | 03:56 UTC |
| 2026-09-22 | 20.0°C | 17:56 UTC | 16.7°C | 22:56 UTC |
Nearby stations
Data sources for this page
| Figure | Source | Type |
|---|---|---|
| Right now, today so far | NOAA Aviation Weather Center (METAR) and NOAA NWS WMO bulletins (SYNOP) | Measured, station |
| All-time, monthly and on-this-day records | NOAA NCEI Global Historical Climatology Network daily (GHCN-Daily), 1963 to 2026 | Measured, station |
| Nearby stations and distances | Computed from station positions in our own database | Calculated |