Portsmouth, Iowa — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Portsmouth, Shelby County.
Full aviation weather for Portsmouth is published on the Harlan Municipal Airport (KHNR) page, 17 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of Portsmouth have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Portsmouth: Woodbine Municipal Airport (K3Y4) 17 km · Denison Municipal Airport (KDNS) 39 km · Atlantic Municipal Airport (KAIO) 48 km · Council Bluffs Municipal Airport (KCBF) 48 km · Eppley Airfield (KOMA) 50 km
Conditions reported at KHNR describe the airfield itself. Weather 17 km away can differ, particularly in terrain or near the coast. For conditions at Portsmouth specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Portsmouth.
Portsmouth, Iowa, unfolds across a gentle swell of land, a place where the sky feels vast and the horizon stretches with an almost infinite promise. It lies 32.2 miles north-north-east of Council Bluffs, IA (from Council Bluffs, IA: bearing 33°T), and is situated 10.0 miles west of Harlan. The fields here, a patchwork quilt of ripening corn and soybeans, hold the muted greens and golds of late summer, their surfaces rippling like a quiet sea under the breath of the prevailing winds. Farmhouses, sturdy and weathered, stand as sentinels against the immense prairie sky, their porches often catching the last, lingering rays of the sun in a warm, golden hue. The air itself carries a clean, earthy scent, a blend of sun-baked soil and the distant, sweet perfume of hay, a fragrance that clings to the senses long after one has departed. The history of Portsmouth is as deeply rooted in this fertile ground as the crops that sustain it. Established by enterprising settlers drawn to the rich agricultural potential of Shelby County, the town's economy has long been tethered to the bounty of the land, with grain elevators standing as proud, if utilitarian, monuments to its enduring agrarian heart. While no grand cathedrals or bustling marketplaces define Portsmouth, its character is etched in the quiet resilience of its people and the simple, honest labor that has shaped its existence. The slow, steady rhythm of life here is punctuated by the rumble of tractors on dusty roads and the friendly nods exchanged between neighbors, a testament to a community that values connection and continuity.
Live animated radar for Portsmouth and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Portsmouth, Shelby County, Iowa |
| Coordinates | 41.650267°N, 95.518614°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 51565 |
| Area Code | 641 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
This page provides live weather conditions and forecasts for Portsmouth, Iowa, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Portsmouth includes coordinates 41.650267°N, 95.518614°W, situated in Shelby County. ZIP code 51565. Telephone area code: 641. Timezone: Central Time (America/Chicago).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.