San Ysidro, New Mexico Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
San Ysidro weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Drizzle11%0.03″100°75°—
- MondayJul 6Light Drizzle13%0.02″100°73°0°
- TuesdayJul 7Overcast13%—98°76°-2°
- WednesdayJul 8Overcast——100°79°+2°
- ThursdayJul 9Drizzle12%—102°76°+2°
- FridayJul 10Overcast17%—102°76°0°
- SaturdayJul 11Overcast17%—101°76°-1°
AQI 44 (Good), driven by PM2.5. AQI down 17 over the last 6 hours — air quality is improving sharply. PM2.5 at 8.0 µg/m³ (AQI 44), ratio 0.57 with 5 mph wind — characteristic of long-range haze transport rather than a local source.
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 40. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 40
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 8.0 µg/m³ (AQI 44), ratio 0.57 with 5 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.57
- 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
- 11:22 PM
- Moonset
- 11:24 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
San Ysidro at a glance
- Today vs. normal: 80°F — typical for the season
- Last frost: March 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 87053
15-Day Forecast — San Ysidro
- Sun100°75°11%
- Mon100°73°13%
- Tue98°76°13%
- Wed100°79°9%
- Thu102°76°12%
- Fri102°76°17%
- Sat101°76°17%
- Sun93°78°15%
- Mon97°76°7%
- Tue99°77°11%
- Wed101°78°17%
- Thu105°79°24%
- Fri95°80°19%
- Sat101°73°13%
- Sun98°77°14%
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 Ysidro
SPC includes San Ysidro 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 Ysidro
- 88007