| Portsmouth Rhode Island Weather Almanac |
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| Friday, July
4, 2025 |
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| Clear to
Partly Cloudy PM, Cooler |
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Climate
Normal Period |
Climate Record Period |
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|
1991 -
2020 |
1893 - 2025 |
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|
July 4 |
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|
Record |
|
Record |
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| Observed Daily Data |
|
2025 |
|
2024 |
|
Norm |
|
Depart |
|
Highest |
|
Lowest |
|
|
| Maximum Temperature |
|
80 |
|
77 |
|
79 |
|
+1 |
|
95 |
|
in |
1949 |
|
64 |
|
in |
1978 |
|
|
| Minimum
Temperature |
|
62 |
|
63 |
|
64 |
|
-2 |
|
72 |
|
in |
2018 |
|
52 |
|
in |
1914 |
|
|
| Average Temperature |
|
71 |
|
70 |
|
72 |
|
-1 |
|
83 |
|
in |
1919 |
|
60 |
|
in |
1978 |
|
|
| Month Avg Max Temperature |
|
82.3 |
|
79.0 |
|
78.8 |
|
+3.5 |
|
88.5 |
|
in |
1955 |
|
68.3 |
|
in |
1914 |
|
|
| Month Avg
Min Temperature |
|
65.5 |
|
61.8 |
|
63.3 |
|
+2.3 |
|
70.8 |
|
in |
1901 |
|
53.0 |
|
in |
1962 |
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|
| Month Average
Temperature |
|
74.3 |
|
70.5 |
|
71.3 |
|
+3.0 |
|
79.0 |
|
in |
2002 |
|
61.3 |
|
in |
1914 |
|
|
| High Heat
Index |
|
81 |
|
80 |
|
|
|
|
|
102 |
|
in |
1949 |
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|
|
|
|
|
|
| Low Wind Chill |
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|
|
|
|
|
|
|
|
|
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|
|
|
0 |
|
in |
|
|
|
| Heating Degree Days |
|
0 |
|
0 |
|
0 |
|
+0 |
|
5 |
|
in |
1978 |
|
0 |
|
in |
Many |
|
|
| Month Heating DD |
|
0 |
|
0 |
|
3 |
|
-3 |
|
15 |
|
in |
1914 |
|
0 |
|
in |
Many |
|
|
| Season
Heating DD |
|
0 |
|
0 |
|
3 |
|
-3 |
|
15 |
|
in |
1914 |
|
0 |
|
in |
Many |
|
|
| Cooling Degree Days |
|
6 |
|
5 |
|
7 |
|
-1 |
|
18 |
|
in |
1919 |
|
0 |
|
in |
2021 |
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| Month Cooling DD |
|
37 |
|
22 |
|
25 |
|
+12 |
|
56 |
|
in |
2002 |
|
0 |
|
in |
1914 |
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| Year Cooling DD |
|
192 |
|
160 |
|
118 |
|
+74 |
|
196 |
|
in |
1957 |
|
31 |
|
in |
1972 |
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| Maximum Dew Point |
|
64 |
|
69 |
|
68 |
|
-4 |
|
76 |
|
in |
2023 |
|
52 |
|
in |
1963 |
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| Minimum
Dew Point |
|
59 |
|
62 |
|
59 |
|
+0 |
|
70 |
|
in |
2002 |
|
40 |
|
in |
1982 |
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|
| Average Dew Point |
|
62 |
|
66 |
|
63 |
|
-1 |
|
73 |
|
in |
2018 |
|
47 |
|
in |
1982 |
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| Month Avg Max Dew Point |
|
71.8 |
|
65.8 |
|
67.3 |
|
+4.5 |
|
74.8 |
|
in |
2018 |
|
50.3 |
|
in |
1982 |
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| Month Avg
Min Dew Point |
|
63.0 |
|
57.5 |
|
58.8 |
|
+4.3 |
|
68.5 |
|
in |
2013 |
|
42.3 |
|
in |
1982 |
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| Month Average Dew Point |
|
67.4 |
|
61.6 |
|
63.0 |
|
+4.4 |
|
70.6 |
|
in |
2013 |
|
46.3 |
|
in |
1982 |
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| Precipitation |
|
.00 |
|
.00 |
|
.11 |
|
-.11 |
|
3.01 |
|
in |
2014 |
|
|
|
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| One Hour
Rain |
|
.00 |
|
.00 |
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|
1.02 |
|
in |
2023 |
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| Half Hour
Rain |
|
.00 |
|
.00 |
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|
.70 |
|
in |
2023 |
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| Hourly Rain Rate |
|
.00 |
|
.00 |
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|
5.19 |
|
in |
2023 |
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| Month Precipitation |
|
.31 |
|
.01 |
|
.44 |
|
-.13 |
|
3.01 |
|
in |
2014 |
|
.00 |
|
in |
2019 |
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| Year Precipitation |
|
21.68 |
|
33.96 |
|
23.14 |
|
-1.46 |
|
40.39 |
|
in |
1998 |
|
12.92 |
|
in |
1957 |
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| Snow |
|
0.0 |
|
0.0 |
|
#N/A |
|
#N/A |
|
0.0 |
|
in |
1900 |
|
0.0 |
|
in |
Many |
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| Snow Depth |
|
0 |
|
0 |
|
0 |
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|
|
0 |
|
in |
1900 |
|
0 |
|
in |
Many |
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| Month Snow |
|
0.0 |
|
0.0 |
|
T |
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|
#N/A |
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in |
#N/A |
|
0.0 |
|
in |
Many |
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| Season Snow |
|
#N/A |
|
#N/A |
|
#N/A |
|
#N/A |
|
#N/A |
|
in |
#N/A |
|
#N/A |
|
in |
#N/A |
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July 4 |
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Record |
Record |
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| Observed Daily Data |
|
2025 |
|
2024 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
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| Maximum Humidity |
|
92% |
|
98% |
|
92% |
|
-0% |
|
100% |
|
in |
2003 |
|
56% |
|
in |
1953 |
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| Minimum
Humidity |
|
51% |
|
75% |
|
57% |
|
-6% |
|
88% |
|
in |
1973 |
|
30% |
|
in |
1956 |
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| Average Humidity |
|
72% |
|
87% |
|
75% |
|
-3% |
|
94% |
|
in |
1973 |
|
45% |
|
in |
1953 |
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| Maximum Barometer |
|
30.10 |
|
30.09 |
|
30.01 |
|
+00.09 |
|
30.34 |
|
in |
1988 |
|
29.63 |
|
in |
1996 |
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| Minimum
Barometer |
|
29.88 |
|
29.89 |
|
29.82 |
|
+00.06 |
|
30.22 |
|
in |
2018 |
|
29.47 |
|
in |
1990 |
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| Average Barometer |
|
29.99 |
|
29.99 |
|
29.92 |
|
+00.07 |
|
30.27 |
|
in |
2018 |
|
29.56 |
|
in |
1996 |
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| Average
Wind |
|
6.7 |
|
8.0 |
|
5.6 |
|
+1.1 |
|
13.1 |
|
in |
1978 |
|
1.8 |
|
in |
1995 |
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| Direction |
|
WNW |
|
SSW |
|
SW |
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|
NE |
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|
SSW |
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| High Wind
Gust |
|
23 |
|
24 |
|
20 |
|
+3 |
|
36 |
|
in |
2014 |
|
11 |
|
in |
2015 |
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| Direction |
|
NW |
|
SSW |
|
SW |
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|
N |
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|
ESE |
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| Maximum Water Temp |
|
71.6 |
|
69.3 |
|
69.8 |
|
+1.8 |
|
76.6 |
|
in |
2002 |
|
63.5 |
|
in |
2020 |
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| Minimum
Water Temp |
|
69.3 |
|
66.9 |
|
65.6 |
|
+3.7 |
|
70.2 |
|
in |
1998 |
|
60.3 |
|
in |
2003 |
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| Average Water Temp |
|
70.5 |
|
68.1 |
|
67.7 |
|
+2.7 |
|
71.8 |
|
in |
2002 |
|
62.0 |
|
in |
2020 |
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| Sunrise/ AM Twilight |
|
5:16:38 AM |
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4:44:00 AM |
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| Sunset /
PM Twilight |
|
8:22:17 PM |
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8:55:46 PM |
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| Length Of Day |
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15:06:04 |
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| Special
Conditions |
|
Haze |
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| Comments |
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| Hour-by-Hour Weather For July 4, 2025 |
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| Climate Weather for July 4 |
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| Weather History For July 4 |
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| Weather Calendar |
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