San Mateo, New Mexico Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
San Mateo weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——83°62°—
- MondayJul 6Heavy Drizzle17%0.04″85°62°+2°
- TuesdayJul 7Light Drizzle51%—86°64°+1°
- WednesdayJul 8Drizzle31%—88°63°+2°
- ThursdayJul 9Light Drizzle——87°64°-1°
- FridayJul 10Overcast——91°65°+4°
- SaturdayJul 11Mostly Clear——91°65°0°
AQI 33 (Good), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline). Ozone at AQI 40. Overcast through the UV peak window (cloud cover ~99%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 40. Overcast through the UV peak window (cloud cover ~99%) — afternoon ozone should stay flat.
- Present
- AQI 40
- UV peak
- 2.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 6.1 µg/m³ (AQI 34), ratio 0.67 with 8 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.67
- 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
- 11:27 PM
- Moonset
- 11:27 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
San Mateo at a glance
- Today vs. normal: 75°F — typical for the season
- Last frost: March 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — San Mateo
- Sun82°62°3%
- Mon85°62°17%
- Tue86°64°51%
- Wed88°63°31%
- Thu87°64°8%
- Fri91°65°2%
- Sat91°65°7%
- Sun90°68°6%
- Mon87°66°6%
- Tue85°64°10%
- Wed87°66°19%
- Thu89°67°37%
- Fri93°68°40%
- Sat95°67°42%
- Sun94°69°33%
- Mon95°70°38%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — San Mateo
SPC includes San Mateo in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 San Mateo
- 87020