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.
09 21:51 SW 26 G 44 16.09 Overcast OVC011 10 8.3 89% 7 76 1014.6 0.03
09 20:51 SW 15 16.09 Overcast OVC012 7.8 7.2 96% 6 76.05 1015.4
09 19:51 SW 20 16.09 Light Rain BKN011 OVC017 7.2 6.1 93% 4 76.12 1016.4 0.03
09 18:51 S 17 16.09 Light Rain SCT017 BKN042 OVC090 6.7 5.6 8.3 6.7 93% 4 76.15 1016.9 0.05 0.05
09 17:51 S 15 16.09 Overcast FEW021 BKN050 OVC060 7.2 4.4 83% 5 76.25 1018.1
09 16:51 S 24 G 33 16.09 Overcast SCT023 OVC060 7.2 3.9 80% 4 76.38 1019.7
09 15:51 S 17 16.09 Partly Cloudy FEW024 SCT065 7.2 3.3 77% 5 76.4 1020.3
09 14:51 S 13 16.09 Mostly Cloudy BKN024 7.8 3.3 73% 6 76.48 1021.2
09 13:51 S 20 G 37 16.09 Mostly Cloudy BKN022 7.8 3.3 73% 5 76.56 1022.2
09 12:51 S 22 16.09 Partly Cloudy SCT021 7.8 2.8 7.8 -6.7 71% 5 76.66 1023.6
09 11:51 S 20 16.09 A Few Clouds FEW019 6.1 1.7 74% 3 76.76 1024.9
09 10:51 S 13 16.09 Fair CLR 4.4 0.6 77% 2 76.89 1026.5
09 09:51 Calm 16.09 Fair CLR 1.1 -1.1 85% 76.94 1027.5
09 08:51 Calm 16.09 Fair CLR -2.8 -3.9 92% 76.96 1027.6
09 07:51 Calm 16.09 Fair CLR -5.6 -6.7 92% 76.96 1027.7
09 06:51 W 6 16.09 Fair CLR -6.7 -7.8 -3.9 -7.2 92% 76.99 1028.2
09 05:51 Calm 16.09 Fair CLR -6.1 -6.7 96% 77.01 1028.2
09 04:51 Calm 16.09 Fair CLR -6.1 -7.2 92% 76.99 1028.1
09 03:51 Calm 16.09 Fair CLR -5 -6.1 92% 77.01 1028.3
09 02:51 Calm 16.09 Fair CLR -6.1 -7.2 92% 76.99 1028.0
09 01:51 Calm 16.09 Fair CLR -5 -6.1 92% 76.99 1028.0
09 00:51 Calm 16.09 Fair CLR -6.1 -6.7 -0.6 -6.1 96% 76.96 1027.5
08 23:51 Calm 16.09 Fair CLR -5 -6.1 92% 76.94 1027.4
08 22:51 Calm 11.27 Fair CLR -3.9 -4.4 96% 76.96 1027.5
08 21:51 Calm 16.09 Fair CLR -3.9 -5 92% 76.96 1027.8
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
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)