Will it snow in San Antonio?
San Antonio, Texas · checked 2:51 pm CDT, Mon Oct 19
This week: the National Weather Service forecast
Snow is not in the National Weather Service forecast for San Antonio for the next 7 days.
NWS forecast for central San Antonio, issued 1:24 pm CDT, Mon Oct 19. It covers about 7 days and is updated several times a day.
The whole 7-day forecast
- This Afternoon: Mostly sunny, with a high near 79. East southeast wind around 5 mph.
- Tonight: Mostly clear, with a low around 60. East wind 0 to 5 mph.
- Tuesday: Sunny, with a high near 83. East northeast wind around 5 mph.
- Tuesday Night: Mostly clear, with a low around 60. East northeast wind 0 to 5 mph.
- Wednesday: Sunny, with a high near 84. Northeast wind around 5 mph.
- Wednesday Night: Mostly clear, with a low around 62. East northeast wind 0 to 5 mph.
- Thursday: Sunny, with a high near 85. East northeast wind around 5 mph.
- Thursday Night: Mostly clear, with a low around 61. East wind 0 to 5 mph.
- Friday: Sunny, with a high near 85. East southeast wind 0 to 10 mph.
- Friday Night: Mostly clear, with a low around 64.
- Saturday: Mostly sunny, with a high near 86.
- Saturday Night: Partly cloudy, with a low around 66.
- Sunday: Partly sunny, with a high near 83.
- Sunday Night: Mostly cloudy, with a low around 64.
NWS forecast for San Antonio · Weather alerts in Texas · Winter storm outlook
How often it snows in San Antonio
San Antonio averages 0.2 inches of snow a year in NOAA's 1991–2020 climate normals (from 25 years of snowfall records in 1991–2020).
Measurable snow (0.1 inch or more) fell in 7 of the 25 winters from 1991–92 to 2020–21 with complete records — about 28%.
In the winters that had any, the median date of the first measurable snow was February 4, and of the last February 14. The earliest first snow came on December 7, 2017.
The snowiest of those winters was 2020–21, with 6.4 inches.
The snowiest month on average is February, with 0.1 inches.
On average there are 0.3 days a year with at least 0.1 inch of snowfall.
Average snowfall by month, 1991–2020
| Month | Snowfall |
|---|---|
| December | 0.1 inches |
| February | 0.1 inches |
Months with none on average are left out.
Will San Antonio have a white Christmas?
NOAA's 1991–2020 daily normals give San Antonio a 0.1% chance of at least 1 inch of snow on the ground on December 25 — the measure NOAA uses for its white Christmas maps.
The chance of at least 0.1 inch of snow falling that day is 0.1%.
These are long-run chances from past winters, smoothed across the days around Christmas — not a forecast for this year.
White Christmas in San Antonio: every Christmas Day since 1991
Where these numbers come from
Climate: NOAA NCEI U.S. Climate Normals 1991–2020 (annual, monthly and daily station normals) for San Antonio International Airport, GHCN-Daily station USW00012921, 13 km from the city centre. First and last snow dates, the share of winters with snow and the snowiest winter were counted by this site from the same station's daily snowfall for the winters 1991–92 to 2020–21, read through the Regional Climate Centers' ACIS service; a winter with more than 10 missing days between October and April is left out. Forecast: the National Weather Service API, read at most once an hour. All US government data, public domain.
This site does not issue warnings or predict snow. It repeats the official forecast and the long-run record.
NOAA's winter outlook 2026–27 for Texas
Questions
Will it snow in San Antonio this week?
Snow is not in the National Weather Service forecast for San Antonio for the next 7 days. The National Weather Service updates its forecast several times a day.
Will it snow in San Antonio this winter (2026–27)?
Nobody can say for a whole winter ahead. In the 25 winters from 1991–92 to 2020–21 with complete records, measurable snow fell in 7, and the 1991–2020 average is 0.2 inches a year. NOAA's seasonal outlook gives the chances of a colder or wetter winter than normal, not snow totals.
When does San Antonio usually get its first snow?
In the 7 winters that had measurable snow, the median date of the first one was February 4; the earliest was December 7, 2017.
Will San Antonio have a white Christmas?
NOAA's 1991–2020 daily normals give San Antonio a 0.1% chance of at least 1 inch of snow on the ground on December 25 — the measure NOAA uses for its white Christmas maps. The chance of at least 0.1 inch of snow falling that day is 0.1%. These are long-run chances from past winters, smoothed across the days around Christmas — not a forecast for this year.
Will it snow in other US cities?
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