Guymon, Oklahoma Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Guymon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——94°72°—
- SundayJul 5Light Drizzle12%0.02″96°72°+2°
- MondayJul 6Overcast——98°67°+2°
- TuesdayJul 7Overcast——101°72°+3°
- WednesdayJul 8Overcast27%—104°76°+3°
- ThursdayJul 9Light Drizzle48%—107°73°+3°
- FridayJul 10Light Drizzle48%—104°73°-3°
AQI 35 (Good), driven by Ozone. AQI up 6 over the last 6 hours (gradual rise). Ozone at AQI 46 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 46 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 46
- UV peak
- 4.5 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 46
PM × Wind × Precip
PM2.5 at 7.7 µg/m³ (AQI 43), ratio 0.61 with 9 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.61
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 11:37 PM
- Moonset
- 10:58 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Guymon at a glance
- Today vs. normal: 19°F above the seasonal normal for this latitude
- Last frost: March 27 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 73942
16-Day Forecast — Guymon
- Sat95°72°6%
- Sun96°70°12%
- Mon98°67°9%
- Tue101°72°8%
- Wed104°76°27%
- Thu107°73°48%
- Fri104°73°48%
- Sat95°72°15%
- Sun99°70°1%
- Mon102°71°1%
- Tue93°64°4%
- Wed97°68°18%
- Thu96°72°26%
- Fri99°73°15%
- Sat98°75°19%
- Sun95°72°14%
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 — Guymon
SPC has placed Guymon in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 Guymon
- 73942