Martinsburg, Nebraska Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Martinsburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy14%—87°69°—
- SundayJul 5Partly Cloudy——91°68°+4°
- MondayJul 6Overcast——90°70°-1°
- TuesdayJul 7Overcast——92°70°+2°
- WednesdayJul 8Light Showers37%—91°69°-1°
- ThursdayJul 9Light Showers37%0.16″86°64°-5°
- FridayJul 10Light Drizzle18%0.01″83°63°-3°
AQI 53 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.3 µg/m³ (AQI 53) with a 0.77 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
Ozone × UV × Sky
Ozone at AQI 48 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 48
- UV peak
- 4.7 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 48
PM × Wind × Precip
PM2.5 at 10.3 µg/m³ (AQI 53) with a 0.77 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.77
- 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
- 11:26 PM
- Moonset
- 10:31 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Martinsburg at a glance
- Today vs. normal: 18°F above the seasonal normal for this latitude
- Last frost: May 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Martinsburg
- Sat87°69°14%
- Sun91°67°9%
- Mon90°70°3%
- Tue92°70°7%
- Wed91°69°37%
- Thu86°64°37%
- Fri83°63°18%
- Sat82°59°12%
- Sun82°64°5%
- Mon86°62°5%
- Tue87°65°5%
- Wed92°66°14%
- Thu95°68°16%
- Fri92°67°23%
- Sat81°62°10%
- Sun86°58°10%
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 — Martinsburg
SPC has placed Martinsburg in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe 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 Martinsburg
- 68770