Local Forecast

Portsmouth, IA Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Portsmouth, IA

No Active Alerts

Hour-by-Hour  Current Observation

Saturday 10:15 AM CDTSaturday 10:15 AM

°F °C
Regional Observations →
46°F

Clear

  • 57° / 39° High / Low
  • 40° Feels Like
  • 0% Chance of Rain

Wind

15 mph

G 23 mph

SW

UV Index

4

Moderate

Humidity

66%

Dew 35°F

Sun

7:39 AM · 6:34 PM

Rise · Set

Source: DENISON (KDNS). Slider scrubs the next 12 hours.

5-Day Outlook

Through Wednesday

Local Radar →

Today

57° 39°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Today

Widespread frost before 10am. Sunny. High near 57, with temperatures falling to around 55 in the afternoon. South southwest wind 6 to 16 mph, with gusts as high as 23 mph.

Night

Clear, with a low around 38. South wind around 13 mph, with gusts as high as 23 mph.

Sunday

64° 41°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Sunday

Sunny, with a high near 63. South wind 13 to 16 mph, with gusts as high as 24 mph.

Night

Mostly clear, with a low around 40. South wind 6 to 12 mph, with gusts as high as 20 mph.

Monday

62° 46°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Monday

Mostly sunny, with a high near 62. South wind 6 to 10 mph, with gusts as high as 16 mph.

Night

Partly cloudy, with a low around 45. South southeast wind around 7 mph.

Tuesday

68° 50°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Tuesday

Mostly sunny, with a high near 67. South southeast wind 6 to 13 mph, with gusts as high as 18 mph.

Night

Partly cloudy, with a low around 50. South southeast wind around 9 mph, with gusts as high as 17 mph.

Wednesday

73° 53°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Wednesday

Mostly sunny, with a high near 73. South wind around 10 mph, with gusts as high as 17 mph.

Night

Mostly clear, with a low around 53. South southeast wind 2 to 7 mph.

Portsmouth, IA Weather Analysis Tools