Today
During the day clear, up to +63°, at night around +61°. Wind gusts reach 10 mph. No precipitation expected.
Weather in Portsmouth
United States · Virginia · 36.8354, -76.2983
Today Now 8:57 PM
+63° Clear
Hourly forecast
Today10/20
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow mostly clear: daytime +63°, nighttime +57°, weather holds steady.
Week
Seven days ahead fall within +54°…+70°. Weekly maximum — +70° (Tue). Nighttime weekly low: +54° (Thu). No precipitation expected this week. Clear days — 7.
Week vs norm
- Today 10/20 +63° −7° usually +70°
- Tomorrow 10/21 +63° −7° usually +69°
- Thu 10/22 +64° −5° usually +69°
- Fri 10/23 +61° −8° usually +69°
- Sat 10/24 +63° −6° usually +68°
- Sun 10/25 +64° −4° usually +68°
- Mon 10/26 +64° −3° usually +68°
- Tue 10/27 +70° +2° usually +68°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 20
Today is cooler than usual for this date.
- Heat record +81° 2016
- Cold record +36° 2022
- Most precipitation 1.4 in 2019
- Strongest gust 37 mph 2011
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Portsmouth
Today is about 9° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +50° / +34° | +41° | 3.6 |
| Feb | +53° / +36° | +43° | 3.2 |
| Mar | +59° / +42° | +49° | 3.9 |
| Apr | +69° / +51° | +59° | 3.4 |
| May | +76° / +60° | +67° | 3.9 |
| Jun | +83° / +68° | +75° | 4.1 |
| Jul | +87° / +73° | +79° | 5.4 |
| Aug | +85° / +72° | +77° | 4.8 |
| Sep | +80° / +67° | +73° | 4.7 |
| Oct | +71° / +56° | +63° | 3.7 |
| Nov | +61° / +45° | +53° | 3.3 |
| Dec | +54° / +38° | +45° | 3.6 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:17 AM | 6:21 PM
Moon
3:29 PM | 1:21 AM
Moon phase
Waxing gibbous 69%
Next solar eclipse
Calculating for this city…