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

Tuesday 11:35 PM CDTTuesday 11:35 PM

°F °C
Regional Observations →
64°F

Clear

  • 77° / 57° High / Low
  • 64° Feels Like
  • 0% Chance of Rain

Wind

0 mph

N

UV Index

0

None

Humidity

77%

Dew 57°F

Sun

6:06 AM · 8:49 PM

Rise · Set

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

5-Day Outlook

Through Sunday

Local Radar →

Wednesday

77° 57°

Chance of Rain Showers

Overnight: Mostly Cloudy

Detailed forecast

Wednesday

A chance of rain showers between 1pm and 4pm. Mostly cloudy, with a high near 76. North northeast wind around 5 mph. Chance of precipitation is 30%.

Night

Partly cloudy. Low around 57, with temperatures rising to around 60 overnight. Southeast wind around 3 mph.

Thursday

77° 60°

Slight Chance of Rain Showers

Overnight: Thunderstorms Likely

Detailed forecast

Thursday

A slight chance of rain showers after 1pm. Partly sunny, with a high near 77. Southeast wind 2 to 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Night

A chance of rain showers before 10pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 60. Southeast wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Friday

77° 62°

Slight Chance of Rain Showers

Overnight: Partly Cloudy

Detailed forecast

Friday

Showers and thunderstorms likely before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly cloudy, with a high near 77. Southeast wind 8 to 12 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Night

Partly cloudy, with a low around 62. South southeast wind 3 to 9 mph.

Saturday

91° 71°

Mostly Sunny

Overnight: Partly Cloudy

Detailed forecast

Saturday

Mostly sunny, with a high near 90. South southwest wind 3 to 7 mph.

Night

Mostly clear, with a low around 70. South wind around 7 mph.

Sunday

96° 71°

Partly Sunny

Overnight: Partly Cloudy

Detailed forecast

Sunday

Mostly sunny, with a high near 96. South wind 5 to 10 mph, with gusts as high as 16 mph.

Night

Partly cloudy, with a low around 70. South southeast wind 5 to 10 mph, with gusts as high as 16 mph.

Portsmouth, IA Weather Analysis Tools