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BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
WEDNESDAY, OCTOBER 28, 2026
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0613E
SUNSET: 1643E
SUNNY START TO THE DAY, BUT CLOUDS INCREASING THIS AFTERNOON….
Today has been another nice day with plenty of sunshine early
this morning getting dimmed by increasing clouds by late this
morning and this afternoon. Despite the decrease in sun, it’s
still a nice day out there with seasonable temperatures and
very light wind.
Temperatures dropped into the low 30s early this morning, but
recovered nicely to the mid 50s early this afternoon. Dew point
values have been slowly rising through the day, from the upper
20s early this morning to the upper 30s by early this afternoon.
Winds have mostly been on the light side, but we did have a
period of steady between 4am-8am this morning. It has been
nearly calm early this afternoon however. The average speed for
the day so far is around 8mph. The peak gust for the day so far
is 16mph, which occurred around 4:15am this morning.
Visibility has been on the hazy side today with a view of around
50 miles all day so far.
The maximum temperature so far today is 55F, which is 2 degrees
below the normal high of 57F. The minimum temperature since
midnight is 33F, which is 7 degrees below the normal low of 40F.
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Today’s Observations:
7 A.M.
Weather: Clear, few altocumulus distant all quadrants, few cirrus
distant SE-SW-NW, thin smoke layer along horizon all quadrants
Temperature: 35F; Dew Point: 28F; Relative Humidity: 73%
Wind: N @ 9 kts
Sea-level pressure: 1033.0 mb; 30.50 in. Hg: steady, then rising
Visibility: 50 miles
6-hr Max temp: 38F
6-hr Min temp: 33F
24-hr Precip: 0.00 inches
BHO SA 1155 CLR 50 330/35/28/3609/050/ FEW AC DSNT ALQDS
FEW CI DSNT SE-SW-NW THN K LYR ALNG HRZN ALQDS/ 8/051 53009
10038 20033
10 A.M.
Weather: Broken cirrus, few stratocumulus distant E-SSE,
few altocumulus distant W-N
Temperature: 49F; Dew Point: 37F; Relative Humidity: 62%
Wind: ENE @ 5 kts, wind light
Sea-level pressure: 1033.6 mb; 30.52 in. Hg: rising, then falling
Visibility: 50 miles, hazy
3-hr Precip: 0.00 inches
BHO SA 1455 E250 BKN 50 336/49/37/0705/052/ FEW SC DSNT E-SSE
FEW AC DSNT W-N HAZY WND LGT/ 8/554 50006
1 P.M.
Weather: Broken altocumulus, broken cirrus, few stratocumulus
distant NNE-S
Temperature: 54F; Dew Point: 39F; Relative Humidity: 56%
Wind: Calm
Sea-level pressure: 1032.0 mb; 30.47 in. Hg: falling unsteadily
Visibility: 50 miles, hazy
6-hr Max temp: 55F
6-hr Min temp: 35F
6-hr Precip: 0.00 inches
BHO SA 1755 E160 BKN 250 BKN 50 320/54/39/0000/047/
FEW SC DSNT NNE-S HAZY WND CALM/ 8/554 57016 10055 20035
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SUMMARY FOR TUESDAY, OCTOBER 27, 2026
TEMPERATURE (DEGREES F)
MAX…….56 NORMAL…..57
MIN…….40 NORMAL…..40
MEAN……48 NORMAL…..49
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………….-1
TOTAL DEPARTURE FOR THE MONTH (OCT)…………………+42 [+1.4 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2026 THRU JUN 2027)
TOTAL HEATING UNITS FOR YESTERDAY…………….17 DEPARTURE………0
TOTAL HEATING UNITS FOR THE MONTH (OCT)………284 DEPARTURE…….-41
TOTAL HEATING UNITS FOR THE SEASON…………..405 DEPARTURE…….-37
TOTAL HEATING UNITS LAST SEASON TO DATE………345 DEPARTURE…….+60
COOLING DEGREE DAYS (SEASON: JAN 2026 THRU DEC 2026)
TOTAL COOLING UNITS FOR YESTERDAY……………..0 DEPARTURE………0
TOTAL COOLING UNITS FOR THE MONTH (OCT)……….10 DEPARTURE……..+3
TOTAL COOLING UNITS FOR THE SEASON…………..815 DEPARTURE……+138
TOTAL COOLING UNITS LAST SEASON TO DATE………756 DEPARTURE…….+59
PEAK WIND GUST (MPH):
Note: Instruments designated #1 = Main Tower, #2 = South Tower,
F420C, Contacting, Merlin, and Richards are all on Main Tower.
E=Estimated *=Last of multiple occurrences
F420C (Official)………..30 N @ 12:37 A.M.
VECTOR #1 (1-Sec)……….29 N @ 12:44 A.M.
VECTOR #2 (1-Sec)……….31 NNW @ 12:44 A.M.
DAVIS #1……………….26 N @ 12:44 A.M.
DAVIS #2 ………………27 NNE @ 12:44 A.M.
RMY #1 (Instantaneous)…..28 N @ 12:43 A.M.
RMY #2 (Instantaneous)…..31 NNW @ 12:44 A.M.
MERLIN………………….M
RICHARDS (C5C) (Inst)……26 N @ 02:54 A.M.
FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………19 N @ 12:19 A.M.
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..19 N @ 12:38 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..19 NNW @ 12:44 A.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………18 N @ 12:38 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………19 N @ 12:45 A.M.
MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..18 N @ 12:45 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..19 NNW @ 12:45 A.M.
MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE………18 N @ 12:45 A.M.
AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL……..7.3 N [176 total miles]
VECTOR #1………………8.0
VECTOR #2………………8.2
DAVIS #1……………….7.4 N
DAVIS #2…………………M
RMY #1…………………7.8 NNW
RMY #2…………………7.8 NNW
RICHARDS (C5C)………….8.3
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.00 DEPARTURE…..-0.18
TOTAL PRECIPITATION FOR THE MONTH (OCT)……..2.18 DEPARTURE…..-2.59
TOTAL PRECIPITATION FOR THE YEAR (2026)…….39.70 DEPARTURE…..-3.74
————————————————————–
PRELIMINARY CLIMATE SUMMARY FOR OCTOBER CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN)/SUN(%)/PEAK GUST/VEC1/RMY GUST
PEAK GUST: F420C (Official)
VEC1: Vector #1 1-second gust
RMY: R.M. Young #1 wind gust recording system (Instantaneous)
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized
M: Missing data
10/1 74/56/65/+7/0.00/084/12 28 SW VEC1 28 SW RMY 27
10/2 84/63/74/+16/0.05/518/74 33 SW VEC1 33 SW RMY 32
10/3 68/51/60/+3/0.00/684/98 24 NNW VEC1 24 NNE RMY 24
10/4 63/49/56/-1/T/320/46 24 ESE VEC1 23 ESE RMY 22
10/5 69/46/58/+1/0.00/581/84 43 WNW VEC1 42 WNW RMY 43
10/6 60/41/51/-5/0.00/676/98 30 WNW VEC1 30 WNW RMY 31
10/7 65/40/53/-3/0.00/660/96 31 S VEC1 31 S RMY 31
10/8 70/53/62/+7/0.00/506/74 33 WNW VEC1 33 SSW RMY 34
10/9 66/47/57/+2/0.00/661/97 40 WNW VEC1 39 WNW RMY 40
10/10 62/44/53/-2/0.00/549/81 22 NW VEC1 22 NW RMY 23
10/11 58/48/53/-1/1.63/014/02 31 ENE VEC1 31 ENE RMY 31
10/12 68/47/58/+4/0.11/390/58 28 NE VEC1 28 NE RMY 27
10/13 59/50/55/+1/0.08/000/00 25 E VEC1 25 ENE RMY 25
10/14 77/55/66/+13/0.01/394/59 31 WNW VEC1 30 WNW RMY 31
10/15 62/49/56/+3/0.00/658/99 33 NNW VEC1 34 NNW RMY 35
10/16 65/48/57/+5/0.30/000/00 33 SSW VEC1 33 SSW RMY 34
10/17 57/34/46/-6/T/053/08 35 NW VEC1 35 NNW RMY 37
10/18 55/32/44/-8/0.00/656/100 18 SSE VEC1 18 SSE RMY 18
10/19 57/42/50/-1/0.00/633/97 20 NNE VEC1 19 NNE RMY 19
10/20 60/40/50/-1/0.00/560/86 36 NE VEC1 36 NE RMY 37
10/21 53/44/49/-2/0.00/266/41 35 NE VEC1 35 NE RMY 34
10/22 61/43/52/+2/0.00/484/75 32 NNE VEC1 32 NNE RMY 33
10/23 54/40/47/-3/0.00/642/100 29 N VEC1 29 N RMY 28
10/24 61/36/49/-1/0.00/…/.. 12 NNW VEC1 12 NNW RMY 12
10/25 66/44/55/+6/0.00/…/.. 21 WSW VEC1 20 WSW RMY 21
10/26 70/43/57/+8/0.00/…/.. 29 N VEC1 29 N RMY 30
10/27 56/40/48/-1/0.00/…/.. 30 N VEC1 29 N RMY 28
10/28 The low since midnight is 33F, the daily normal low is 40F.
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OCTOBER DAILY RECORDS TO DATE
NONE.
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DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR OCTOBER 28
HIGH 81F IN 1919
LOW 23F IN 1914
PRECIP 2.46 INCHES IN 2006
SNOWFALL TRACE IN 1891,1934,1957,1979
PEAK GUST 71 MPH SSW IN 1995
RECORDS FOR OCTOBER 29
HIGH 74F IN 1989
LOW 23F IN 1891
PRECIP 2.42 INCHES IN 2012
SNOWFALL 4.0 INCHES IN 2011
PEAK GUST 76 E IN 2012
TODAY’S REPORT PREPARED BY: Matt Douglas
