Weather observations for the past three days for
Laurence G Hanscom Field Airport
Imperial (Metric)
Date Time (est) Wind (mph) Vis. (mi.) Weather Sky Cond. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in)
Air Dwpt 6 hour altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
19 03:51 NW 5 3.00 Light Snow Fog/Mist FEW007 OVC029 28 27 96% 24 29.77 1009.6 0.01 0.03
19 02:51 NW 6 2.50 Light Snow Fog/Mist FEW007 BKN029 OVC040 28.9 27 92% 23 29.77 1009.6 0.01
19 01:51 NW 7 2.00 Light Snow Fog/Mist SCT009 BKN027 OVC032 28.9 27 92% 23 29.74 1008.6 0.01
19 00:51 NW 7 1.75 Light Snow Fog/Mist FEW006 OVC018 28.9 28 32 28.9 96% 23 29.73 1008.5 0.01 0.21
18 23:50 N 7 2.00 Light Snow Fog/Mist SCT008 BKN011 OVC020 30 28 92% 24 29.76 1009.4 0.02
18 22:51 N 8 0.75 Light Snow Fog/Mist OVC003 30 28.9 96% 23 29.78 1010.1 0.03
18 21:51 N 9 0.75 Light Snow Fog/Mist OVC003 30.9 30 96% 24 29.8 1010.6 0.05 0.15
18 20:51 N 6 0.75 Light Snow Fog/Mist OVC003 30.9 30 96% 26 29.81 1011.1 0.05
18 19:51 N 8 1.00 Light Snow Fog/Mist OVC003 30.9 30 96% 24 29.82 1011.5 0.05
18 18:51 N 6 1.00 Light Snow Fog/Mist OVC003 32 30 33.1 32 92% 27 29.84 1012.1 0.01 0.01
18 17:51 N 5 3.00 Snow OVC003 32 30 92% 28 29.86 1012.8
18 16:51 NE 3 3.00 Fog/Mist OVC007 32 30 92% 29.88 1013.6
18 15:51 NE 3 3.00 Fog/Mist OVC041 32 30.9 96% 29.92 1014.8
18 14:51 Calm 4.00 Fog/Mist OVC043 32 30.9 96% 29.94 1015.4
18 13:51 Calm 5.00 Fog/Mist OVC048 33.1 30.9 92% 29.97 1016.5
18 12:51 Calm 6.00 Fog/Mist OVC046 33.1 30 33.1 26.1 89% 30.01 1017.9
18 11:51 SW 5 5.00 Fog/Mist SCT034 OVC055 32 30 92% 28 30.03 1018.5
18 10:51 SW 3 2.00 Light Snow Fog/Mist BKN008 OVC060 30.9 28.9 92% 30.06 1019.6
18 09:51 Calm 3.00 Light Snow Fog/Mist BKN043 OVC050 30.9 28 89% 30.09 1020.4
18 08:51 SW 5 6.00 Overcast BKN060 OVC075 30 27 88% 26 30.07 1019.8
18 07:51 Calm 5.00 Fog/Mist FEW120 26.1 25 96% 30.03 1018.6
18 06:51 Calm 8.00 Mostly Cloudy BKN100 BKN120 27 26.1 28 21 96% 30.02 1018.2
18 05:51 SE 5 9.00 Mostly Cloudy BKN100 27 26.1 96% 22 30 1017.7
18 04:51 S 3 7.00 Partly Cloudy SCT120 24.1 23 96% 30.06 1019.5
18 03:51 Calm 6.00 Fog/Mist FEW120 23 21.9 96% 30.04 1018.8
18 02:51 Calm 0.75 Fog/Mist CLR 23 21.9 96% 30.06 1019.6
18 01:51 Calm 0.50 Freezing Fog CLR 23 21.9 96% 30.07 1019.9
18 00:51 Calm 1.25 Fog/Mist CLR 25 25 33.1 24.1 100% 30.06 1019.4
17 23:51 SW 5 10.00 Fair CLR 28.9 27 92% 25 30.06 1019.5
17 22:51 Calm 9.00 Fair CLR 28.9 28 96% 30.06 1019.5
17 21:51 SW 3 10.00 Mostly Cloudy BKN019 30.9 28 89% 30.06 1019.3
17 20:51 SW 9 10.00 Mostly Cloudy BKN019 33.1 28.9 85% 26 30.05 1019.0
17 19:51 SW 7 10.00 Mostly Cloudy BKN017 33.1 30 89% 28 30.03 1018.7
17 18:51 SW 6 10.00 Overcast BKN013 OVC110 33.1 30.9 34 32 92% 28 30.01 1017.7 0.11
17 17:51 SW 9 10.00 Overcast FEW075 BKN100 OVC110 33.1 30.9 92% 26 29.98 1016.9 0.01
17 16:51 SW 5 1.25 Fog/Mist BKN006 BKN014 OVC090 33.1 32 96% 29 29.97 1016.7 0.01
17 15:51 SW 3 1.50 Light Snow Fog/Mist OVC006 32 30.9 96% 29.97 1016.5 0.03 0.09
17 14:51 Calm 0.75 Light Snow Fog/Mist VV015 32 30.9 96% 29.99 1017.1 0.03
17 13:51 Calm 0.50 Snow Fog OVC004 32 30.9 96% 30 1017.4 0.03
17 12:51 Calm 3.00 Light Snow OVC030 34 27 35.1 28.9 76% 29.99 1017.2
17 11:51 S 5 10.00 Overcast BKN060 OVC070 34 26.1 73% 30 30.03 1018.4
17 10:51 Calm 10.00 Overcast BKN055 OVC070 33.1 26.1 75% 30.08 1020.2
17 09:51 Vrbl 3 10.00 Overcast FEW055 BKN075 OVC090 33.1 25 72% 30.09 1020.7
17 08:51 S 5 10.00 Overcast OVC033 30 24.1 79% 26 30.09 1020.8
17 07:51 Calm 3.00 Light Snow OVC007 28.9 21.9 75% 30.09 1020.5
17 06:51 Vrbl 3 10.00 Overcast OVC036 30 17.1 30 26.1 58% 30.09 1020.7
17 05:51 SE 6 10.00 Overcast BKN065 OVC080 30 15.1 54% 25 30.09 1020.6
17 04:51 E 3 10.00 Overcast OVC080 28 12.9 53% 30.1 1020.8
17 03:51 Calm 10.00 Overcast OVC075 28 12 51% 30.11 1021.2
17 02:51 SE 3 10.00 Overcast OVC080 27 10.9 51% 30.09 1020.7
17 01:51 SE 5 10.00 Overcast OVC075 27 9 46% 22 30.1 1020.8
17 00:51 Calm 10.00 Overcast OVC070 26.1 8.1 26.1 19.9 46% 30.1 1020.9
16 23:51 S 5 10.00 Overcast BKN080 OVC090 26.1 9 48% 21 30.08 1020.1
16 22:51 Calm 10.00 Fair CLR 21.9 6.1 50% 30.08 1020.3
16 21:51 Calm 10.00 Fair CLR 21 6.1 52% 30.05 1019.4
16 20:51 Calm 10.00 Fair CLR 23 5 46% 30.02 1018.4
16 19:51 SW 7 10.00 Fair CLR 25 3 39% 18 30 1017.7
16 18:51 W 7 10.00 Fair CLR 26.1 3 30.9 26.1 37% 19 29.97 1016.7
16 17:51 SW 8 10.00 Fair CLR 28 3 34% 21 29.94 1015.4
16 16:51 SW 6 10.00 Fair CLR 28.9 1 30% 23 29.89 1014.0
16 15:51 W 9 10.00 Fair CLR 30 -0 27% 22 29.84 1012.1
16 14:51 NW 12 G 22 10.00 Fair CLR 30.9 -0 26% 22 29.8 1010.6
16 13:51 W 16 G 29 10.00 Fair CLR 30 -0 27% 19 29.74 1008.8
16 12:51 W 21 G 33 10.00 Fair and Breezy CLR 28.9 -0.9 30 16 27% 17 29.71 1007.6
16 11:51 W 22 G 36 10.00 Fair and Breezy CLR 28 -2 27% 15 29.67 1006.4
16 10:51 W 16 G 28 10.00 Fair CLR 26.1 -2.9 28% 14 29.64 1005.2
16 09:51 W 20 G 30 10.00 Fair CLR 21.9 1 40% 8 29.64 1005.2
16 08:51 W 17 G 29 10.00 A Few Clouds FEW039 19 3 49% 5 29.61 1004.2
16 07:51 W 15 G 25 10.00 Fair CLR 17.1 -0 47% 3 29.57 1002.9
16 06:51 W 12 G 30 10.00 Fair CLR 17.1 -0 25 17.1 47% 5 29.53 1001.6
16 05:51 W 21 G 32 10.00 A Few Clouds and Breezy FEW043 18 -0 45% 2 29.5 1000.5
16 04:51 W 20 G 33 10.00 Overcast OVC048 19 1 45% 4 29.47 999.4
Date Time (est) Wind (mph) Vis. (mi.) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°F) Heat Index (°F) altimeter (in) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºF) Pressure Precipitation (in)