Olmito, Texas Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Olmito weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast33%—90°77°—
- FridayJun 5Drizzle18%0.04″89°77°-1°
- SaturdayJun 6Light Showers15%0.03″94°77°+5°
- SundayJun 7Overcast——95°80°+1°
- MondayJun 8Overcast14%—94°80°-1°
- TuesdayJun 9Partly Cloudy——95°79°+1°
- WednesdayJun 10Clear——95°78°0°
AQI 28 (Good), driven by Ozone. AQI up 6 over the last 6 hours (gradual rise).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5/PM10 ratio 0.65 with 12 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.65
- Wind
- breezy
- 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).










































A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:22 AM
- Moonset
- 3:09 PM
- In sign
- ♒︎ Aquarius
Fireflies pulse through the magnolias
Olmito at a glance
- Today vs. normal: 88°F — typical for the season
- Last frost: January 22 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Olmito
SPC has placed Olmito in the General Thunderstorms category for severe thunderstorms today.
- 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.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | lettuce, peas, spinach, radishes | — |
| March | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| April | tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | — | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
Olmito's warmest month is August (~87°F mean) and its coldest is January (~63°F). Rainfall peaks in September (5.7 inches) and bottoms out in February (1.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 63° | 1.1″ | 2 |
| February | 67° | 1.0″ | 2 |
| March | 71° | 1.4″ | 2 |
| April | 77° | 1.5″ | 2 |
| May | 82° | 2.2″ | 2 |
| June | 86° | 2.9″ | 4 |
| July | 86° | 2.0″ | 3 |
| August | 87° | 2.2″ | 4 |
| September | 83° | 5.7″ | 8 |
| October | 78° | 3.8″ | 5 |
| November | 71° | 1.8″ | 3 |
| December | 64° | 1.2″ | 3 |
Frequently asked
- When does it freeze in Olmito?
- Olmito's last spring frost typically falls around mid-February, and the first fall frost arrives around mid-December.
- What is the rainy season in Olmito?
- September is the wettest month with about 5.7 inches of rain on average; the city receives roughly 27 inches annually.
- What is the warmest month in Olmito?
- August is typically warmest, averaging about 87°F.
- What is the coldest month in Olmito?
- January is typically coldest, averaging about 63°F.
- When can I start a vegetable garden in Olmito?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-February); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Olmito get?
- Olmito averages about 39 rainy days per year.
- What hardiness zone is Olmito?
- Olmito's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Olmito, Texas sits in a humid subtropical climate zone. January means hover near 63°F while July averages 86°F — a 24°F seasonal swing.
Across the year, Olmito receives about 27 inches of precipitation spread over roughly 39 rainy days.
The rhythm of the year is set by latitude (26.0°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.