Weather observations for the past three days for
Laurence G Hanscom Field Airport
Metric (Imperial)
Date Time (est) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
08 20:51 Calm 14.48 Fair CLR -2.8 -3.3 96% 76.91 1027.0
08 19:51 Calm 16.09 Fair CLR -1.7 -2.2 96% 76.84 1025.9
08 18:51 W 6 16.09 Fair CLR -0.6 -1.1 7.8 -1.7 96% 76.81 1025.5
08 17:51 W 13 16.09 Fair CLR 0.6 -1.1 89% -3 76.78 1025.4
08 16:51 W 9 16.09 Fair CLR 2.8 -1.1 76% 1 76.71 1024.3
08 15:51 W 7 16.09 Fair CLR 5 -1.1 65% 4 76.66 1023.4
08 14:51 NW 9 16.09 Partly Cloudy SCT032 6.7 0 63% 5 76.63 1023.1
08 13:51 W 15 16.09 Mostly Cloudy BKN035 7.8 1.1 63% 6 76.56 1022.3
08 12:51 W 17 16.09 Fair CLR 7.8 1.1 7.8 -5.6 63% 5 76.56 1021.9
08 11:51 W 9 16.09 Fair CLR 7.2 1.7 68% 6 76.53 1021.6
08 10:51 W 9 16.09 Fair CLR 5 1.1 76% 3 76.5 1021.5
08 09:51 W 7 16.09 Fair CLR 2.8 0.6 86% 1 76.48 1021.2
08 08:51 W 6 16.09 Fair CLR 0 -0.6 96% 76.45 1020.8
08 07:51 Calm 16.09 Shallow Fog CLR -3.3 -3.9 96% 76.4 1020.1
08 06:51 Calm 11.27 Fair CLR -3.9 -3.9 0.6 -3.9 100% 76.33 1019.3
08 05:51 W 6 16.09 Fair CLR -2.2 -2.2 100% 76.25 1018.3
08 04:51 Calm 12.87 Fair CLR -1.7 -1.7 100% 76.2 1017.4
08 03:51 W 7 16.09 Fair CLR -0.6 -0.6 100% -3 76.12 1016.5
08 02:51 W 7 16.09 Fair CLR 0 -0.6 96% -2 76.05 1015.5
08 01:51 W 9 16.09 Fair CLR -0.6 -1.1 96% -3 76 1014.7
08 00:51 W 9 16.09 Fair CLR 0.6 -0.6 1.1 -1.1 92% -2 75.92 1013.7
07 23:51 W 11 16.09 Mostly Cloudy BKN028 1.1 0 92% -2 75.92 1013.7
07 22:51 W 9 16.09 Partly Cloudy SCT028 0.6 -0.6 92% -2 75.87 1013.2
07 21:51 W 7 16.09 Mostly Cloudy BKN025 0.6 -0.6 92% -1 75.84 1012.6
07 20:51 W 15 16.09 Mostly Cloudy BKN025 0.6 0 96% -3 75.82 1012.2
07 19:51 W 9 16.09 A Few Clouds FEW075 0.6 -0.6 92% -2 75.69 1010.6
07 18:51 W 11 16.09 Overcast BKN075 OVC100 0.6 -0.6 0.6 -0.6 92% -2 75.67 1010.4
07 17:51 W 9 16.09 Overcast OVC070 0.6 -0.6 92% -2 75.62 1009.7
07 16:51 SW 7 16.09 Mostly Cloudy BKN065 0 -1.1 92% -2 75.57 1009.0
07 15:51 Calm 16.09 Mostly Cloudy SCT008 BKN050 BKN090 0 -0.6 96% 75.46 1007.6
07 14:51 NW 6 16.09 Overcast OVC007 0 -0.6 96% 75.39 1006.8
07 13:51 NW 7 14.48 Overcast OVC006 0 -1.1 92% -2 75.34 1006.0
07 12:51 NW 9 3.22 Light Snow Fog/Mist BKN008 OVC011 -0.6 -1.7 -0.6 -1.1 92% -3 75.31 1005.7 0.05 0.13
07 11:51 NW 11 2.01 Light Freezing Rain OVC006 -0.6 -1.7 92% -4 75.34 1005.9 0.05
07 10:51 N 9 2.01 Light Freezing Rain Fog/Mist OVC003 -1.1 -1.7 96% -4 75.34 1006.1 0.03
07 09:51 N 9 3.22 Fog/Mist OVC004 -1.1 -1.7 96% -4 75.34 1006.1
07 08:51 N 7 6.44 Fog/Mist OVC005 -1.1 -2.2 92% -3 75.34 1006.0
07 07:51 N 7 8.05 Fog/Mist OVC005 -1.1 -2.2 92% -3 75.36 1006.2
07 06:51 N 11 16.09 Overcast OVC005 -1.1 -2.2 -1.1 -1.1 92% -5 75.31 1005.7 0.05 0.33
07 05:51 N 9 6.44 Freezing Rain Fog/Mist OVC005 -1.1 -2.2 92% -4 75.36 1006.3 0.23
07 04:51 N 9 4.83 Light Freezing Rain Fog/Mist OVC004 -1.1 -2.2 92% -4 75.39 1006.6
07 03:51 N 9 4.83 Light Freezing Rain Fog/Mist OVC004 -1.1 -1.7 96% -4 75.41 1007.1 0.05 0.05
07 02:51 N 9 3.22 Fog/Mist OVC004 -1.1 -1.7 96% -4 75.49 1008.1
07 01:51 NE 9 3.22 Light Freezing Rain Fog/Mist OVC006 -1.1 -1.7 96% -4 75.54 1008.9
07 00:51 N 7 12.87 Unknown Precip OVC009 -1.1 -2.2 -0.6 -1.1 92% -3 75.59 1009.4 0.03
06 23:51 NE 6 12.87 Overcast OVC011 -1.1 -2.2 92% 75.69 1010.6
06 22:51 NE 6 12.87 Overcast OVC012 -1.1 -2.8 88% 75.77 1011.6
06 21:51 Calm 9.66 Light Snow Fog/Mist OVC013 -1.1 -2.8 88% 75.84 1012.8 0.03
06 20:51 NE 7 9.66 Light Snow Fog/Mist OVC013 -1.1 -2.8 88% -3 75.84 1012.9 0.03
06 19:51 NE 6 12.87 Overcast OVC012 -1.1 -3.3 85% 75.95 1014.1
06 18:51 N 6 12.87 Overcast OVC011 -1.1 -3.3 -0.6 -1.7 85% 76.02 1015.2
06 17:51 E 9 12.87 Overcast OVC010 -1.1 -3.3 85% -4 76 1014.8
06 16:51 E 7 14.48 Mostly Cloudy BKN012 -1.1 -3.9 82% -3 76.02 1015.2
06 15:51 SE 6 12.87 Fair CLR -1.1 -3.9 82% 76.1 1016.0
06 14:51 NE 9 16.09 Mostly Cloudy BKN110 -0.6 -4.4 76% -3 76.05 1015.5
06 13:51 NE 9 16.09 Partly Cloudy SCT120 -0.6 -4.4 76% -3 76.07 1015.7
06 12:51 Calm 16.09 Fair CLR -1.1 -5 -1.1 -6.7 75% 76.1 1016.2
06 11:51 Calm 16.09 Fair CLR -1.7 -5.6 75% 76.17 1017.3
06 10:51 Calm 16.09 Fair CLR -2.8 -6.1 78% 76.25 1018.2
06 09:51 Calm 16.09 Fair CLR -3.9 -6.7 81% 76.3 1019.0
06 08:51 Vrbl 6 9.66 Fog/Mist CLR -5 -7.2 85% 76.3 1018.9
06 07:51 Calm 8.05 Fog/Mist FEW065 -6.7 -7.8 92% 76.28 1018.5
06 06:51 Calm 9.66 Fog/Mist FEW006 OVC070 -5 -6.7 -3.9 -5 88% 76.23 1017.9
06 05:51 N 7 12.87 Overcast FEW006 OVC070 -5 -6.7 88% -8 76.2 1017.8
06 04:51 N 6 12.87 Overcast FEW006 OVC075 -5 -6.1 92% 76.2 1017.5
06 03:51 NW 7 12.87 Overcast OVC005 -4.4 -5.6 91% -7 76.17 1017.2
06 02:51 NW 7 14.48 Overcast OVC050 -4.4 -5.6 91% -7 76.2 1017.6
06 01:51 N 6 12.87 Overcast BKN006 OVC041 -3.9 -5.6 88% 76.2 1017.7
06 00:51 Calm 11.27 Overcast OVC018 -3.9 -5.6 -3.9 -4.4 88% 76.2 1017.7 0.05
05 23:51 Calm 8.05 Unknown Precip Fog/Mist BKN014 OVC020 -4.4 -5.6 91% 76.25 1018.3 0.03
05 22:51 E 6 4.02 Light Snow Fog/Mist SCT024 BKN029 OVC039 -4.4 -6.1 88% 76.33 1019.3 0.03
05 21:51 SE 7 6.44 Light Snow OVC019 -3.9 -8.3 72% -7 76.35 1019.6
Date Time (est) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)