10-day forecast · Portsmouth
Day-by-day outlook up to 14 days: highs, lows, precipitation totals, wind and UV. Planning further ahead? Open the 30-day outlook →
Wed · Today
Partly cloudy
22°
16°
0.01 in
⌄
Wind 11 mph SE
Gusts 19 mph
UV index 5 – Moderate
Precip chance 39% · 0.01 in
Sunrise 6:08 AM
Sunset 7:16 PM
Thu · Tomorrow
Showers
21°
17°
0.46 in
⌄
Wind 12 mph SE
Gusts 22 mph
UV index 1 – Low
Precip chance 93% · 0.46 in
Sunrise 6:09 AM
Sunset 7:15 PM
Friday 4/9
Fog
22°
16°
26%
⌄
Wind 11 mph SE
Gusts 20 mph
UV index 6 – High
Precip chance 26%
Sunrise 6:10 AM
Sunset 7:13 PM
Saturday 5/9
Showers
21°
15°
0.29 in
⌄
Wind 15 mph NE
Gusts 24 mph
UV index 6 – Moderate
Precip chance 83% · 0.29 in
Sunrise 6:11 AM
Sunset 7:11 PM
Sunday 6/9
Sunny
22°
12°
10%
⌄
Wind 15 mph N
Gusts 26 mph
UV index 5 – Moderate
Precip chance 10%
Sunrise 6:13 AM
Sunset 7:09 PM
Monday 7/9
Partly cloudy
23°
13°
0.04 in
⌄
Wind 15 mph S
Gusts 30 mph
UV index 6 – High
Precip chance 43% · 0.04 in
Sunrise 6:14 AM
Sunset 7:08 PM
Tuesday 8/9
Showers
19°
14°
0.22 in
⌄
Wind 17 mph SW
Gusts 37 mph
UV index 4 – Moderate
Precip chance 83% · 0.22 in
Sunrise 6:15 AM
Sunset 7:06 PM
Wednesday 9/9
Sunny
15°
10°
4%
⌄
Wind 20 mph NE
Gusts 27 mph
UV index 5 – Moderate
Precip chance 4%
Sunrise 6:16 AM
Sunset 7:04 PM
Thursday 10/9
Mostly cloudy
19°
9°
14%
⌄
Wind 15 mph S
Gusts 30 mph
UV index 4 – Moderate
Precip chance 14%
Sunrise 6:17 AM
Sunset 7:02 PM
Friday 11/9
Showers
30°
17°
0.60 in
⌄
Wind 18 mph W
Gusts 38 mph
UV index 7 – High
Precip chance 80% · 0.60 in
Sunrise 6:18 AM
Sunset 7:00 PM
Saturday 12/9
Sunny
22°
14°
5%
⌄
Wind 13 mph NW
Gusts 26 mph
UV index 6 – High
Precip chance 5%
Sunrise 6:19 AM
Sunset 6:59 PM
Sunday 13/9
Sunny
16°
11°
7%
⌄
Wind 14 mph S
Gusts 24 mph
UV index 5 – Moderate
Precip chance 7%
Sunrise 6:20 AM
Sunset 6:57 PM
Monday 14/9
Mostly cloudy
19°
13°
0.09 in
⌄
Wind 20 mph SW
Gusts 38 mph
UV index 5 – Moderate
Precip chance 75% · 0.09 in
Sunrise 6:21 AM
Sunset 6:55 PM
Tuesday 15/9
Sunny
18°
9°
7%
⌄
Wind 17 mph NW
Gusts 29 mph
UV index 5 – Moderate
Precip chance 7%
Sunrise 6:22 AM
Sunset 6:53 PM
10-day outlook for Portsmouth
Over the next ten days Portsmouth peaks at 30° on Friday and bottoms out at 9° on Thursday. Day-to-day swings stay modest — no big pattern change inside the period. Add it up and about 1.6 in of precipitation falls over the period, spread across 5 unsettled days, with Thursday the most likely (93%).