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As of 14:37 EDT

Weather in Portsmouth, NH

90°Current weather

Portsmouth, Sunday, 9 August, 14:37

Clear. Feels like 94°. High 90°, low 69°.

Pressure29.85 inHg
Wind2 mph NW
Humidity50%
Visibility6.2 mi
Dew point69°

Two-week outlook for Portsmouth, NH: week one averages a high of 81.4° and week two 74.8°, so week two runs 6.6° cooler than week one. Around 1.9 inches of precipitation are expected over the 14 days, across 4 wet days. The nearest weekend, August 9: 90°, dry.

Week one vs week two

WeekHighLowPrecipitationVs normal
1st (August 9 – August 15)81.4°62.6°0.0 in / 0 d—
2nd (August 16 – August 22)74.8°61.4°1.8 in / 4 d—

Weekend weather

Sun, August 9
Light rain
90°69°
0.01 in
Sat, August 15
Overcast
74°54°
no precip.
Sun, August 16
Heavy rain
72°57°
1.28 in
Sat, August 22
Mostly clear
80°63°
no precip.
Mon, 1088° / 67°0.03Light rain
88 °Light rain

Portsmouth, Monday, 10 August

Light rain. High 88°, low 67°.

Pressure29.94 inHg
Wind9.4 mph SE
Humidity51%
Visibility6.2 mi
Dew point59°
Tue, 1185° / 66°0Mostly clear
85 °Mostly clear

Portsmouth, Tuesday, 11 August

Mostly clear. High 85°, low 66°.

Pressure29.74 inHg
Wind12 mph NW
Humidity43%
Visibility6.2 mi
Dew point58°
Wed, 1275° / 62°0Light rain
75 °Light rain

Portsmouth, Wednesday, 12 August

Light rain. High 75°, low 62°.

Pressure29.80 inHg
Wind5.5 mph W
Humidity67%
Visibility6.2 mi
Dew point58°
Thu, 1382° / 61°0Overcast
82 °Overcast

Portsmouth, Thursday, 13 August

Overcast. High 82°, low 61°.

Pressure29.71 inHg
Wind9.6 mph W
Humidity45%
Visibility6.2 mi
Dew point57°
Fri, 1475° / 58°0Partly cloudy
75 °Partly cloudy

Portsmouth, Friday, 14 August

Partly cloudy. High 75°, low 58°.

Pressure30.00 inHg
Wind14.7 mph NW
Humidity38%
Visibility—
Dew point42°
Sat, 1574° / 54°0Overcast
74 °Overcast

Portsmouth, Saturday, 15 August

Overcast. High 74°, low 54°.

Pressure30.18 inHg
Wind11.4 mph S
Humidity41%
Visibility—
Dew point45°
Sun, 1672° / 57°1.28Heavy rain
72 °Heavy rain

Portsmouth, Sunday, 16 August

Heavy rain. High 72°, low 57°.

Pressure30.00 inHg
Wind22.3 mph S
Humidity58%
Visibility—
Dew point55°
Mon, 1772° / 59°0.17Light rain
72 °Light rain

Portsmouth, Monday, 17 August

Light rain. High 72°, low 59°.

Pressure30.03 inHg
Wind13.3 mph N
Humidity56%
Visibility—
Dew point53°
Tue, 1874° / 61°0.19Light rain
74 °Light rain

Portsmouth, Tuesday, 18 August

Light rain. High 74°, low 61°.

Pressure29.94 inHg
Wind10.3 mph N
Humidity69%
Visibility—
Dew point58°
Wed, 1974° / 63°0.02Light rain
74 °Light rain

Portsmouth, Wednesday, 19 August

Light rain. High 74°, low 63°.

Pressure29.94 inHg
Wind15.5 mph SE
Humidity66%
Visibility—
Dew point61°
Thu, 2076° / 65°0.13Light rain
76 °Light rain

Portsmouth, Thursday, 20 August

Light rain. High 76°, low 65°.

Pressure29.71 inHg
Wind9.3 mph S
Humidity94%
Visibility—
Dew point67°
Fri, 2175° / 63°0.01Light rain
75 °Light rain

Portsmouth, Friday, 21 August

Light rain. High 75°, low 63°.

Pressure29.83 inHg
Wind7.4 mph N
Humidity72%
Visibility—
Dew point60°
Sat, 2280° / 63°0Mostly clear
80 °Mostly clear

Portsmouth, Saturday, 22 August

Mostly clear. High 80°, low 63°.

Pressure29.94 inHg
Wind12.6 mph SE
Humidity50%
Visibility—
Dew point56°

About this forecast

Can I plan a trip on a 2-week forecast?

Week one is solid for planning — accuracy is high. Week two shows the trend: go by the averages and the comparison with normal, and check the details closer to the date.

What does the "Vs normal" column mean?

It is the gap between the forecast and the climate normal for those same dates in Portsmouth, NH, computed over 60 years. A positive value means the week runs warmer than usual.

Why are weekends shown separately?

Saturday and Sunday plans are what people check most, so we give them their own cards with temperature and precipitation.