Portal, North Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Portal weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain67%0.16″79°60°—
- SundayJul 5Overcast55%—86°62°+7°
- MondayJul 6Light Drizzle55%—81°63°-5°
- TuesdayJul 7Rain40%0.24″63°54°-18°
- WednesdayJul 8Clear40%—75°50°+12°
- ThursdayJul 9Thunderstorm32%—82°59°+7°
- FridayJul 10Clear32%—75°54°-7°
AQI 45 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 13.9 µg/m³ (AQI 60) with a 0.97 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 13.9 µg/m³ (AQI 60) with a 0.97 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 12:00 AM
- Moonset
- 10:47 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Portal at a glance
- Today vs. normal: 61°F — typical for the season
- Last frost: June 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 58772
16-Day Forecast — Portal
- Sat79°60°67%
- Sun86°62°55%
- Mon81°63°55%
- Tue63°54°40%
- Wed75°50°40%
- Thu82°59°32%
- Fri75°54°32%
- Sat74°50°13%
- Sun84°56°10%
- Mon90°67°10%
- Tue80°61°17%
- Wed84°55°11%
- Thu79°59°13%
- Fri83°56°5%
- Sat95°63°7%
- Sun91°70°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Portal
SPC has placed Portal in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3NONENo severe risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Portal
- 58772