Weather in Portsmouth, Ohio
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
Portsmouth, OH
Sunday, May 17 at 4:04 AM
66
°
Overcast
Feels like
67°
Humidity
86%
Wind
7 mph
Sunrise
6:17 AM
Sunset
8:38 PM
Portsmouth, OH
Hour by hour · 24h
49°
12a
48°
1a
46°
2a
46°
3a
45°
4a
44°
5a
42°
6a
41°
7a
46°
8a
52°
9a
58°
10a
62°
11a
65°
12p
68°
1p
68°
2p
69°
3p
68°
20%
4p
66°
17%
5p
65°
6p
66°
7p
63°
8p
60°
9p
58°
10p
56°
11p
Portsmouth, OH
7-day forecast
- TodayMay 17Light Drizzle45%88°61°
- MondayMay 18Overcast—91°66°
- TuesdayMay 19Overcast28%89°66°
- WednesdayMay 20Light Rain70%77°58°
- ThursdayMay 21Overcast27%73°47°
- FridayMay 22Drizzle47%70°55°
- SaturdayMay 23Drizzle52%73°64°
Portsmouth, OH
Next 24 hours · Cold now
Portsmouth, OH
Anemometer · 24h winds · from true
From · True
NNW
340° · backing 20°
Direction
NNW
340°
Sustained
7
mph
Gust
16
mph
Peak 24h
18
avg 5
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
−24h−18h−12h−6hnow
Portsmouth, OH
Air quality
44
AQI
Good
- PM 2.5
- 6.7 μg/m³
- PM 10
- 7.6 μg/m³
- NO₂
- 4.3 μg/m³
- Ozone
- 75.0 μg/m³
- UV Index
- 0.0 Low
Portsmouth, OH
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:50 AM
Sunrise
6:17 AM
Daylight
14h 21m
Sunset
8:38 PM
Civil dusk
1:08 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Portsmouth, OH
The moon
New Moon
0% illuminated
- Moonrise
- 10:25 AM
- Moonset
- 1:05 AM
- In sign
- ♊︎ Gemini
Portsmouth, OH
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
Portsmouth at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: April 9 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Warm-season window is open
As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.