Hyannis/Barnstable Muni

Weather station · 41.7°N 70.3°W · 11 m above sea level

ICAO KHYAStation data since 1998

Right now13.3°C00:56 UTC · 7 h agoSource: NOAA METAR

Today so far13.3°/12.2°High at 00:56 UTC · low at 04:56 UTCSource: NOAA METAR and SYNOP

All-time record high37.8°CMonday, 5 July 1999 · highest in available records since 1998Source: NOAA GHCN-Daily

All-time record low−22.1°CSaturday, 21 February 2015 · lowest in available records since 1998Source: NOAA GHCN-Daily

On this day · 23 September

Record high

27.2°C

in 2005

Record low

6.1°C

in 1998

Average high

21.3°C

all years on record

Record watch

13.9°C short of the record for 23 September

Today’s high 13.3°C against 27.2°C in 2005. A reading that beats it is flagged here automatically, once a second cycle confirms it.

All-time record high

37.8°C

Date: Monday, 5 July 1999
Time of day: Not recorded. The daily archive stores the day, not the hour.
Location: Hyannis/Barnstable Muni, United States
Position: 41.67°N 70.27°W · 11 m

Highest highest in available records since 1998. Source: NOAA GHCN-Daily.

All-time record low

−22.1°C

Date: Saturday, 21 February 2015
Time of day: Not recorded. The daily archive stores the day, not the hour.
Location: Hyannis/Barnstable Muni, United States
Position: 41.67°N 70.27°W · 11 m

Highest and lowest lowest in available records since 1998. Source: NOAA GHCN-Daily.

Where Hyannis/Barnstable Muni is

41.67°N 70.27°W

Records by month

Jan

17.8°

−21.7°

Feb

17.2°

−22.1°

Mar

22.2°

−18.2°

Apr

30.0°

−6.6°

May

31.7°

−2.8°

Jun

33.3°

2.2°

Jul

37.8°

7.8°

Aug

35.0°

7.2°

Sep

32.2°

Recent days

Daily highest and lowest air temperature at Hyannis/Barnstable Muni, most recent first.
Day	High	At	Low	At
2026-09-23	13.3°C	00:56 UTC	12.2°C	04:56 UTC
2026-09-22	18.3°C	17:56 UTC	13.3°C	22:56 UTC

Nearby stations

Otis ANGBUnited States21.1 km
Chatham MuniUnited States23.1 km
Marthas Vineyard ArptUnited States42.4 km
Provincetown MuniUnited States44.9 km
Plymouth MuniUnited States46.3 km
Nantucket Mem ArptUnited States49.6 km

Data sources for this page

Where each figure on this page comes from.
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), 1998 to 2026	Measured, station
Nearby stations and distances	Computed from station positions in our own database	Calculated