Storm Station
Garrison, Maryland
60° 61°/58°
Light drizzle· Feels like 60°·Gentle breeze 11 mph NNW
A chance of rain showers. Cloudy, with a low around 57. Northwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
0UV Low
27Air quality
69%Humidity
100%Cloud
Now
4:15 AM
60feels60
now, drizzle light
Today
Sep 27
6158
48%
19mph
rain
Mon
Sep 28
7059
11%
drizzle light
Tue
Sep 29
7261
drizzle light
Wed
Sep 30
7960
overcast
Thu
Oct 1
8461
overcast
Fri
Oct 2
8163
12%
overcast
Sat
Oct 3
6152
24%
overcast
60°
61°58°
70°59°
72°61°
79°60°
84°61°
81°63°
61°52°

As of 4:15 AM in Garrison, Maryland.

What is measuring near here

The 6 instruments nearest Garrison, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.0 miles away.

measured now4 instruments

IS 695 S 1.5mi N of IS 795MD092

Beside a road/2.0 mi away/528 ft/34 ft above here

temp, pavement temp, wind, visibility, precip

Rank200of 402

Baltimore Inner HarborDMH

At an airfield/11.3 mi away/20 ft/474 ft below here

temp, wind, gust, visibility, precip, pressure

Rank24of 402

Nepp Site At ReisterstownRSTM2

At a river or reservoir gauge/15.1 mi away/0 ft/494 ft below here

temp, wind, gust, humidity, pressure

Rank-

Powder MillS2049

At a soil climate station/26.9 mi away/105 ft/389 ft below here

temp, humidity, soil temp, soil moisture

Rank-

measured daily2 instruments

Pikesville 1.8 SWMD-BL-38

In a volunteer observer's own ground/2.6 mi away/486 ft/8 ft below here

precip, snowfall, snow depth

Rank-

CylburCYLM2

At a cooperative observer's station/6.6 mi away/295 ft/199 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Baltimore Inner Harbor, drawn

The nearest airport reporting now, 11.3 mi from Garrison. From its report of Sep 27, 2026, 3:53 AM local time: 3 of its 4 sheets.

The air

63.0 F with a dew point of 52.0 F, 67 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,500 ft up.

Chart of the air at Baltimore Inner Harbor: temperature 63.0 degrees Fahrenheit and dew point 52.0, 67 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DMHFIG. B THE AIR AT BALTIMORE INNER HARBORTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00040 F50 F60 F70 FSATURATES 2,500 FT ABOVE THE STATION, AT 49.5 FTEMPERATURE 63.0 FDEW POINT 52.0 FSPREAD 11.0 FRELATIVE HUMIDITY 67 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEBaltimore Inner Harbor, the airSTATION REPORT · ASOS DMHTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-09-27IDSR-DMH-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The column

At 20 ft above sea level, 0 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.90 inHg and the temperature at 58.9 F; the station's altimeter setting of 29.71 inHg means its barometer reads 29.69 inHg; it reports 63.0 F, 4.1 F warmer than standard.

Section from sea level of where Baltimore Inner Harbor stands in the atmosphere, height to scale: the station 20 feet above sea level with 0 per cent of the air below it; the standard atmosphere's pressure there, 29.90 inches of mercury, and temperature, 58.9 degrees Fahrenheit; the altimeter setting of 29.71 and the station pressure it means, 29.69.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DMHFIG. D WHERE BALTIMORE INNER HARBOR STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREBALTIMORE INNER HARBOR0 PER CENT OF THE AIR BELOW IT20 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE29.90 inHgSTANDARD TEMPERATURE HERE58.9 FALTIMETER SETTING, REPORTED29.71 inHgITS BAROMETER READS29.69 inHgTEMPERATURE, REPORTED63.0 FTITLEBaltimore Inner Harbor, the columnSTATION REPORT · ASOS DMHTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-09-27IDSR-DMH-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Sep 27 the noon sun stands 49 degrees above the horizon at 39.28 N, and the day is 11 h 48 min long. Level ground there takes 75 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Baltimore Inner Harbor, angles true: on Sep 27 it stands 49 degrees above the horizon, against 74 at the June solstice, 51 at the equinoxes and 27 at the December solstice; the day is 11 h 48 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DMHFIG. E THE SUN AT BALTIMORE INNER HARBORELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 74°EQUINOXES 51°DECEMBER SOLSTICE 27°SEP 27, 49°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 48 MINLEVEL GROUND TAKES 75 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 39.28 N; THE SUN'S DECLINATION -1.8°TITLEBaltimore Inner Harbor, the sunSTATION REPORT · ASOS DMHTYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-09-27IDSR-DMH-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Baltimore Inner Harbor, in 4 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in Maryland

21 places, each with its own forecast and its own instruments.

Near Garrison

The nearest places, each with its own forecast and the instruments nearest it.