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

Friday 10:15 AM CSTFriday 10:15 AM

°F °C
Regional Observations →
41°F

Cloudy

  • 48° / 30° High / Low
  • 36° Feels Like
  • 0% Chance of Rain

Wind

7 mph

ENE

UV Index

4

Moderate

Humidity

75%

Dew 33°F

Sun

7:03 AM · 5:08 PM

Rise · Set

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

5-Day Outlook

Through Tuesday

Local Radar →

Today

48° 30°

Overcast

Overnight: Mostly Cloudy

Detailed forecast

Today

Mostly cloudy. High near 47, with temperatures falling to around 45 in the afternoon. Northeast wind 0 to 3 mph.

Night

Mostly cloudy. Low around 30, with temperatures rising to around 32 overnight. South southwest wind 0 to 3 mph.

Saturday

55° 37°

Partly Sunny

Overnight: Mostly Cloudy

Detailed forecast

Saturday

Mostly sunny. High near 55, with temperatures falling to around 52 in the afternoon. South southwest wind 5 to 9 mph.

Night

Partly cloudy, with a low around 36. West southwest wind around 5 mph.

Sunday

62° 41°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Sunday

Sunny, with a high near 61. West wind around 2 mph.

Night

Mostly clear, with a low around 40. South southwest wind 1 to 7 mph.

Monday

64° 37°

Clear

Overnight: Mostly Clear

Detailed forecast

Monday

Sunny, with a high near 64. West southwest wind 5 to 10 mph, with gusts as high as 16 mph.

Night

Clear, with a low around 37. Northwest wind around 3 mph.

Tuesday

62° 41°

Partly Cloudy

Overnight: Partly Cloudy

Detailed forecast

Tuesday

Sunny, with a high near 61. Northwest wind around 2 mph.

Night

Partly cloudy, with a low around 40. South southwest wind around 2 mph.

Portsmouth, IA Weather Analysis Tools