Newcastle, Oklahoma Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Newcastle weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——84°64°—
- TuesdayJun 16Overcast——91°67°+7°
- WednesdayJun 17Clear——94°73°+3°
- ThursdayJun 18Drizzle24%—79°65°-15°
- FridayJun 19Light Drizzle28%—85°63°+6°
- SaturdayJun 20Overcast——93°68°+8°
- SundayJun 21Light Drizzle39%—98°74°+5°
AQI 31 (Good), driven by PM2.5. AQI down 11 over the last 6 hours (gradual decline). PM2.5 at 13.3 µg/m³ (AQI 59) with a 0.93 fine-to-coarse ratio and 6 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 during the projected peak around 4 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 13.3 µg/m³ (AQI 59) with a 0.93 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- Wind
- light
- 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).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:24 AM
- Moonset
- 9:00 PM
- In sign
- ♊︎ Gemini
Sun climbs to its northern throne
Newcastle at a glance
- Today vs. normal: 15°F below the seasonal normal for this latitude
- Last frost: March 18 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Newcastle
- Mon84°64°3%
- Tue91°67°4%
- Wed94°73°4%
- Thu79°65°24%
- Fri85°63°28%
- Sat93°68°9%
- Sun98°74°39%
- Mon96°74°39%
- Tue83°71°35%
- Wed84°70°21%
- Thu93°74°15%
- Fri96°74°13%
- Sat96°74°10%
- Sun98°76°10%
- Mon99°77°13%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 — Newcastle
SPC has placed Newcastle in the General Thunderstorms category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Newcastle
- 73072
- 73065