Weather History for Portland, ME

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Month of August, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 88 °F 76 °F 68 °F
Mean Temperature 77 °F 67 °F 61 °F
Min Temperature 66 °F 57 °F 49 °F
Degree Days  
Heating Degree Days (base 65) 4 1 0 24
Cooling Degree Days (base 65) 12 3 0 83
Growing Degree Days (base 50) 27 17 10 523
Dew Point  
Dew Point 72 °F 58 °F 47 °F
Precipitation  
Precipitation 6.43 in 0.37 in 0.00 in 8.56 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 28 mph 6 mph 0 mph
Gust Wind 39 mph 22 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.29 in 30.01 in 29.59 in

Monthly Weather History Graph

Monthly Weather History Graph

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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

Aug. 09, 2014 Rise Set
Actual Time 5:39 AM EDT 7:53 PM EDT
Civil Twilight 5:07 AM EDT 8:25 PM EDT
Nautical Twilight 4:28 AM EDT 9:04 PM EDT
Astronomical Twilight 3:44 AM EDT 9:47 PM EDT
Moon 6:51 PM EDT (8/9) 4:15 AM EDT (8/9)
Length of Visible Light 15h 17m
Length of Day
14h 14m
Waxing Gibbous, 98% of the Moon is Illuminated
Aug 9
Waxing Gibbous
Aug 10
Full
Aug 17
Last Quarter
Aug 25
New
Sep 2
First Quarter

Weather History Calendar

Precipitation Actual month total 8.56 Normal Month Total: 3.14
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
78 | 61 0.00
Average:
79 | 60 0.11
Partly Cloudy
Actual:
76 | 59 0.00
Average:
79 | 60 0.11
Rain
Actual:
72 | 56 T
Average:
79 | 60 0.10
Fog
Actual:
76 | 58 T
Average:
79 | 60 0.10
Rain
Actual:
81 | 61 T
Average:
79 | 60 0.11
Thunderstorm
Actual:
80 | 61 0.52
Average:
79 | 60 0.10
Thunderstorm
Actual:
75 | 57 0.12
Average:
79 | 59 0.11
Scattered Clouds
Actual:
81 | 55 0.00
Average:
79 | 59 0.10
Rain
Actual:
81 | 59 0.03
Average:
79 | 59 0.11
Scattered Clouds
Actual:
79 | 59 T
Average:
79 | 59 0.10
Scattered Clouds
Actual:
81 | 57 0.00
Average:
79 | 59 0.11
Fog
Actual:
73 | 62 0.00
Average:
78 | 59 0.10
Thunderstorm
Actual:
68 | 61 6.43
Average:
78 | 59 0.10
Rain
Actual:
75 | 57 0.01
Average:
78 | 59 0.10
Rain
Actual:
70 | 52 T
Average:
78 | 59 0.10
Partly Cloudy
Actual:
74 | 55 T
Average:
78 | 59 0.10
Rain
Actual:
75 | 57 0.01
Average:
78 | 58 0.10
Rain
Actual:
74 | 55 0.01
Average:
78 | 58 0.10
Scattered Clouds
Actual:
73 | 49 0.00
Average:
78 | 58 0.10
Scattered Clouds
Actual:
77 | 52 0.00
Average:
77 | 58 0.09
Rain
Actual:
72 | 54 T
Average:
77 | 58 0.10
Mostly Cloudy
Actual:
68 | 56 0.00
Average:
77 | 58 0.10
Partly Cloudy
Actual:
71 | 55 T
Average:
77 | 57 0.10
Scattered Clouds
Actual:
81 | 53 0.00
Average:
77 | 57 0.10
Scattered Clouds
Actual:
85 | 62 0.00
Average:
77 | 57 0.10
Scattered Clouds
Actual:
81 | 59 0.00
Average:
76 | 57 0.10
Thunderstorm
Actual:
88 | 66 0.14
Average:
76 | 57 0.10
Partly Cloudy
Actual:
78 | 56 0.00
Average:
76 | 56 0.10
Scattered Clouds
Actual:
70 | 52 0.00
Average:
76 | 56 0.10
Partly Cloudy
Actual:
70 | 51 0.00
Average:
75 | 56 0.09
Thunderstorm
Actual:
85 | 62 1.29
Average:
75 | 56 0.10
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 78 70 61 65 63 59 97 78 58 30.22 30.20 30.15 10 9 4 16 6 22 0.00  
2 76 68 59 65 61 56 93 77 61 30.23 30.20 30.14 10 10 7 14 5 19 0.00  
3 72 64 56 62 58 54 93 80 66 30.15 30.11 30.06 10 9 6 13 3 16 T Rain
4 76 67 58 65 61 57 100 85 69 30.05 30.03 30.00 10 6 0 15 4 19 T Fog
5 81 71 61 67 63 60 100 77 54 30.02 29.97 29.88 10 8 1 15 6 18 T Rain
6 80 71 61 65 63 59 93 73 52 29.87 29.82 29.76 10 8 2 21 6 34 0.52 Rain , Thunderstorm
7 75 66 57 60 57 53 93 75 57 29.92 29.87 29.82 10 10 7 18 6 22 0.12 Rain , Thunderstorm
8 81 68 55 59 56 53 93 68 42 30.01 29.95 29.91 10 10 10 15 8 20 0.00  
9 81 70 59 63 59 55 93 68 42 30.08 30.04 30.00 10 10 9 12 4 - 0.03 Rain
10 79 69 59 61 59 55 93 69 45 30.14 30.11 30.08 10 10 10 12 5 18 T  
11 81 69 57 65 61 55 93 75 56 30.15 30.13 30.10 10 10 5 12 5 14 0.00  
12 73 68 62 65 63 60 100 87 73 30.16 30.12 30.08 10 6 0 13 7 17 0.00 Fog
13 68 65 61 64 62 60 100 88 76 30.07 29.88 29.65 10 6 1 28 13 39 6.43 Rain , Thunderstorm
14 75 66 57 64 58 49 100 72 44 29.86 29.69 29.59 10 8 2 16 8 23 0.01 Rain
15 70 61 52 58 54 50 93 74 55 29.87 29.86 29.84 10 10 10 10 4 14 T Rain
16 74 65 55 59 55 52 86 68 49 29.94 29.91 29.87 10 10 10 15 5 19 T  
17 75 66 57 60 57 54 87 74 61 29.88 29.80 29.75 10 10 10 13 5 16 0.01 Rain
18 74 65 55 58 53 50 87 67 46 29.87 29.80 29.76 10 10 7 17 7 24 0.01 Rain
19 73 61 49 56 52 48 89 69 49 29.96 29.91 29.86 10 10 10 13 4 16 0.00  
20 77 65 52 59 55 50 96 71 46 30.07 30.02 29.97 10 10 10 10 4 14 0.00  
21 72 63 54 60 56 52 93 77 61 30.12 30.10 30.07 10 10 10 8 3 10 T Rain
22 68 62 56 61 58 54 93 86 78 30.15 30.13 30.10 10 10 5 14 7 17 0.00  
23 71 63 55 58 55 50 93 73 53 30.16 30.14 30.12 10 10 10 10 5 15 T  
24 81 67 53 64 58 50 93 71 49 30.15 30.12 30.08 10 10 10 13 4 18 0.00  
25 85 74 62 64 61 59 93 71 48 30.15 30.12 30.09 10 10 10 13 5 14 0.00  
26 81 70 59 67 63 57 100 82 64 30.15 30.09 29.99 10 10 6 16 6 21 0.00  
27 88 77 66 68 65 63 87 67 46 29.98 29.88 29.81 10 9 2 24 7 30 0.14 Rain , Thunderstorm
28 78 67 56 64 54 47 84 61 38 29.97 29.84 29.78 10 10 10 22 11 28 0.00  
29 70 61 52 54 51 48 89 70 51 30.27 30.16 29.98 10 10 10 12 7 - 0.00  
30 70 61 51 60 56 50 96 80 63 30.29 30.22 30.09 10 10 10 18 9 26 0.00  
31 85 74 62 72 66 59 100 82 63 30.09 29.99 29.93 10 8 1 17 8 23 1.29 Rain , Thunderstorm