Weather History for Portsmouth, NH

Change the Weather History Date:

Week of October 14, 2012 through October 20, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 74 °F 64 °F 57 °F
Mean Temperature 64 °F 54 °F 46 °F
Min Temperature 56 °F 44 °F 34 °F
Degree Days  
Heating Degree Days (base 65) 18 11 0 76
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 14 4 0 31
Dew Point  
Dew Point 68 °F 49 °F 29 °F
Precipitation  
Precipitation 0.43 in 0.15 in 0.00 in 1.08 in
Snowdepth - - - -
Wind  
Wind 29 mph 6 mph 0 mph
Gust Wind 37 mph 26 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.30 in 29.87 in 29.54 in

Weekly Weather History Graph

Weekly Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Oct. 18, 2012 Rise Set
Actual Time 7:01 AM EDT 5:54 PM EDT
Civil Twilight 6:32 AM EDT 6:23 PM EDT
Nautical Twilight 5:59 AM EDT 6:56 PM EDT
Astronomical Twilight 5:26 AM EDT 7:29 PM EDT
Moon 10:45 AM EDT (10/18) 8:20 PM EDT (10/18)
Length of Visible Light 11h 51m
Length of Day
10h 53m
Waxing Crescent, 14% of the Moon is Illuminated
Oct 18
Waxing Crescent
Oct 21
First Quarter
Oct 29
Full
Nov 6
Last Quarter
Nov 13
New

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
14 57 50 42 52 47 29 100 87 51 30.30 30.09 29.93 10 9 4 10 6 - 0.22 Fog , Rain
15 74 62 52 61 58 52 99 84 61 29.90 29.71 29.59 10 10 7 12 6 - 0.01 Rain
16 60 51 41 60 42 32 99 70 45 29.86 29.65 29.54 10 10 6 23 10 30 0.14 Rain
17 60 46 34 41 35 31 91 69 34 30.01 29.94 29.88 10 10 10 8 4 - 0.00  
18 62 50 39 50 44 38 99 83 49 30.14 30.08 30.01 10 9 7 14 3 - 0.00  
19 62 54 45 63 56 45 100 96 82 30.11 29.95 29.75 10 4 1 29 8 37 0.28 Rain
20 73 64 56 68 60 48 100 92 48 29.78 29.69 29.60 10 4 0 9 6 - 0.43 Fog , Rain , Thunderstorm