Martinez Weather

TownSan Francisco Bay Area

Historic county seat, waterfront

86°
😊
Comfort Score
93(A-)
Excellent
Weather updated September 9, 2026 at 9:32 PM PDT

Martinez weather at a glance

Martinez is a town at 16 feet in San Francisco Bay Area. Historic county seat, waterfront. Notable features include sunny, waterfront, and historic.

Current conditions are 86°F, feeling like 82°F, with 23% humidity, winds near 7 mph, 2% cloud cover, and a 0% chance of precipitation. Hot with clear skies.

The location-specific climate baseline shows an average daily high of 71°F and an average low of 48°F, with about 10.4 hours of sunshine per day and 1.8 hours of morning fog per day. Expected annual precipitation is approximately 15.1 inches.

Plan your week

10-Day Forecast

  1. Today
    Sep 9
    100°68°
    Comfort
    60
    1%
    Precip 0 in
  2. Thu
    Sep 10
    94°67°
    Comfort
    64
    1%
    Precip 0 in
  3. Fri
    Sep 11
    79°60°
    Comfort
    95
    1%
    Precip 0 in
  4. Best day
    Sat
    Sep 12
    77°60°
    Comfort
    97
    0%
    Precip 0 in
  5. Sun
    Sep 13
    83°58°
    Comfort
    89
    0%
    Precip 0 in
  6. Mon
    Sep 14
    86°62°
    Comfort
    83
    0%
    Precip 0 in
  7. Tue
    Sep 15
    82°60°
    Comfort
    91
    0%
    Precip 0 in
  8. Wed
    Sep 16
    82°60°
    Comfort
    91
    0%
    Precip 0 in
  9. Thu
    Sep 17
    87°62°
    Comfort
    81
    1%
    Precip 0 in
  10. Fri
    Sep 18
    87°65°
    Comfort
    76
    2%
    Precip 0 in

Pick your time

Hourly Forecast

  1. Today
    Now
    87°
    Comfort
    91
    0%
    0 in
  2. Today
    10 PM
    85°
    Comfort
    96
    1%
    0 in
  3. Today
    11 PM
    84°
    Comfort
    97
    1%
    0 in
  4. Thu
    12 AM
    83°
    Comfort
    95
    1%
    0 in
  5. Thu
    1 AM
    82°
    Comfort
    93
    1%
    0 in
  6. Thu
    2 AM
    81°
    Comfort
    96
    1%
    0 in
  7. Thu
    3 AM
    80°
    Comfort
    94
    1%
    0 in
  8. Thu
    4 AM
    79°
    Comfort
    98
    1%
    0 in
  9. Thu
    5 AM
    78°
    Comfort
    98
    1%
    0 in
  10. Thu
    6 AM
    78°
    Comfort
    97
    1%
    0 in
  11. Sunrise6:46 AM
  12. Thu
    7 AM
    77°
    Comfort
    94
    1%
    0 in
  13. Thu
    8 AM
    79°
    Comfort
    94
    1%
    0 in
  14. Thu
    9 AM
    83°
    Comfort
    89
    1%
    0 in
  15. Thu
    10 AM
    87°
    Comfort
    86
    1%
    0 in
  16. Thu
    11 AM
    91°
    Comfort
    83
    1%
    0 in
  17. Thu
    12 PM
    93°
    Comfort
    75
    1%
    0 in
  18. Thu
    1 PM
    94°
    Comfort
    72
    1%
    0 in
  19. Thu
    2 PM
    92°
    Comfort
    73
    1%
    0 in
  20. Thu
    3 PM
    91°
    Comfort
    81
    1%
    0 in
  21. Thu
    4 PM
    90°
    Comfort
    86
    1%
    0 in
  22. Thu
    5 PM
    86°
    Comfort
    92
    1%
    0 in
  23. Thu
    6 PM
    81°
    Comfort
    93
    1%
    0 in
  24. Thu
    7 PM
    77°
    Comfort
    94
    0%
    0 in
  25. Sunset7:23 PM
  26. Thu
    8 PM
    73°
    Comfort
    96
    0%
    0 in
  27. Thu
    9 PM
    71°
    Comfort
    94
    0%
    0 in
  28. Thu
    10 PM
    69°
    Comfort
    93
    0%
    0 in
  29. Thu
    11 PM
    67°
    Comfort
    92
    0%
    0 in
  30. Fri
    12 AM
    66°
    Comfort
    91
    0%
    0 in
  31. Fri
    1 AM
    65°
    Comfort
    89
    0%
    0 in
  32. Fri
    2 AM
    63°
    Comfort
    88
    0%
    0 in
  33. Fri
    3 AM
    62°
    Comfort
    87
    0%
    0 in
  34. Fri
    4 AM
    62°
    Comfort
    86
    0%
    0 in
  35. Fri
    5 AM
    61°
    Comfort
    84
    0%
    0 in
  36. Fri
    6 AM
    60°
    Comfort
    85
    0%
    0 in
  37. Sunrise6:47 AM
  38. Fri
    7 AM
    60°
    Comfort
    85
    0%
    0 in
  39. Fri
    8 AM
    63°
    Comfort
    86
    0%
    0 in
  40. Fri
    9 AM
    65°
    Comfort
    89
    1%
    0 in
  41. Fri
    10 AM
    68°
    Comfort
    91
    1%
    0 in
  42. Fri
    11 AM
    72°
    Comfort
    95
    1%
    0 in
  43. Fri
    12 PM
    74°
    Comfort
    96
    0%
    0 in
  44. Fri
    1 PM
    76°
    Comfort
    96
    0%
    0 in
  45. Fri
    2 PM
    77°
    Comfort
    96
    0%
    0 in
  46. Fri
    3 PM
    79°
    Comfort
    97
    0%
    0 in
  47. Fri
    4 PM
    78°
    Comfort
    97
    0%
    0 in
  48. Fri
    5 PM
    77°
    Comfort
    98
    0%
    0 in
  49. Fri
    6 PM
    76°
    Comfort
    99
    0%
    0 in
  50. Fri
    7 PM
    73°
    Comfort
    99
    0%
    0 in
  51. Sunset7:22 PM
  52. Fri
    8 PM
    70°
    Comfort
    98
    0%
    0 in

Current Conditions

Temperature
86°F
Feels like 82°F
Humidity
23%
Dew point 44°F
Wind
7 mph
NW • Gusts 9 mph
Cloud Cover
2%
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Thermal85
Wind100
Stars Visible98
Moisture100
Precipitation100

Weather Maps

About the weather maps for Martinez

Each preview is centered on Martinez, with the red pin marking its approximate location. Satellite imagery provides cloud context, radar shows nearby precipitation, and the fog view shows the marine-layer or low-cloud field when that regional layer is available.

These images cover a wider area than the point forecast, so a nearby cloud or rain band may not be directly over Martinez. Open a preview for the interactive map and its latest timestamp before making a weather-sensitive decision.

Nearby Temperature Comparison

Conditions at nearby San Francisco Bay Area destinations

Tip: Bay Area temps can vary 20-30°F within a short distance due to microclimates.

Climate Dashboard

Current conditions vs. NOAA normals and recent destination baseline

Today's High vs Normal
100°Fforecast
18° above normal
Normal: 82°F
Rainfall Year-to-Date
11.5"
14% below average
30-yr avg: 13.4"
Sunny Days
24last 28 days
4 fewer than baseline
Typical: 28
Foggy Days
5last 28 days
vs 7 typical
Clearer than usual
Avg Wind Speed
7.4 mphlast 28 days
Typical conditions
Typical: 8.2 mph
Comfort Score
8628-day avg
On par with typical
Recent baseline: 88
What the Martinez climate comparisons mean

These cards compare recent conditions at Martinez with the available local baseline. Temperature and year-to-date rainfall use long-term normals when available; fog, sunshine, wind, and comfort use the matching recent or modeled baseline identified on each card.

Positive and negative differences describe how Martinez departs from its own usual pattern. They should not be read as a direct comparison with another city or as a forecast beyond the period shown.

Historical Climate Data

Long-term weather patterns and climate data

Data sources: NOAA URMA for recent temperature history, NOAA Stage IV for recent precipitation, NOAA HRRR for fog, cloud, wind, humidity, and sunshine signals, and NOAA 1991-2020 climate normals for long-term baselines.

Climate Overview

Based on NOAA 30-year temperature/rain normals (1991-2020) with recent fog/sun baseline

82
Avg Comfort
71.5°
Avg High
47.9°
Avg Low
70%
Perfect Days
☀️ Avg Sunshine10.4h/day
🌫️ Avg Fog1.8h/day
💧 Avg Annual Rain15.1"
🌧️ Rainy Days/yr69 (19%)
🌫️ Foggy Days/yr97
✨ Perfect Days (80+)453

🌟 Best Months to Visit

1. June87
81.2° / 53.8° · ☀️ 13.5h
4 foggy days · 1 rainy days
2. May79
74.9° / 50.1° · ☀️ 12.8h
5 foggy days · 4 rainy days
3. July79
83.7° / 55.2° · ☀️ 13.5h
7 foggy days · 0 rainy days

⚠️ Challenging Months

1. January32
56.4° / 39.6° · ☀️ 7h
💧 3.1" · 11 rainy days · 13 foggy days
2. December33
57.1° / 39.7° · ☀️ 6.7h
💧 3.1" · 12 rainy days · 12 foggy days
3. February42
61.3° / 42.2° · ☀️ 8.2h
💧 2.8" · 10 rainy days · 10 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
August 20248785.7° / 57°12h2d0.04"26
September 20248685.7° / 56.3°10.7h3d0.12"26
October 20248683.1° / 55.8°9.9h0d0.59"24
November 20248063.6° / 45.2°6.9h5d4.51"21
December 20247058.3° / 44.1°5.8h17d5.26"10
January 20258159.2° / 40.3°7.5h13d0.86"20
February 20257460.8° / 44.2°6.2h9d5.51"16
March 20258162.3° / 45.8°9.1h6d2.2"21
April 20259071.5° / 49.3°10.9h7d0.32"27
May 20258978.9° / 53.3°12.9h0d0.2"30
June 20258979.7° / 53.9°13.3h0d0"30
July 20258778.1° / 56°12.1h5d0"27
August 20258685.6° / 58.1°12h2d0"28
September 20258682.9° / 60.4°10.1h5d0.21"26
October 20258673.5° / 54.6°8.2h10d1.32"23
November 20257764.1° / 49.6°6.9h17d3.38"15
December 20256354.8° / 43.7°5.5h22d4.86"2
January 20267258.1° / 42.5°6.8h21d2.76"10
February 20267562.8° / 45.8°6.5h14d4.07"11
March 20269377.3° / 52°10.8h3d0.36"29
April 20268568.7° / 50.5°10.3h4d3.66"22
May 20268670.9° / 53.3°10.9h2d0.69"9
Last updated: 5/10/2026

Climate Trends

Average Temperature by Month

90°F77°F64°F50°F37°FOct '24Nov '24Dec '24Jan '25Feb '25Mar '25Apr '25May '25Jun '25Jul '25Aug '25Sep '25Oct '25Nov '25Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26Jul '26Aug '26
Average High
Average Low
About the Martinez climate charts

The temperature chart compares average monthly highs and lows at Martinez, showing both the seasonal cycle and the typical day-to-night range. The comfort chart summarizes how often the combined weather pattern is favorable rather than judging temperature alone.

Precipitation shows the total recorded or modeled rainfall for each month at Martinez. Sunshine compares average bright-sky hours with the daylight available, while fog shows the average number of morning fog or low-cloud hours per day. Switch between the chart tabs to compare the same months across each measure.

Hourly Temperature, Fog, Wind, Cloud Cover, and Solar Radiation Patterns

Average local hour by month from 2014-09-30 to 2026-04-30

How to read the temperature heatmap for Martinez

This heatmap shows how average temperature at Martinez changes by hour and month. Read left to right for the seasons and top to bottom for the time of day; warmer colors identify the usual afternoon peaks and cooler colors show overnight and winter lows.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the fog heatmap for Martinez

This heatmap shows when fog or low cloud is most likely at Martinez. Darker cells mark month-and-hour combinations with a stronger historical fog signal, which helps separate overnight or morning fog from cloud that tends to linger into the afternoon.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the wind heatmap for Martinez

This heatmap shows the typical hourly wind pattern at Martinez through the year. It makes recurring afternoon wind, calmer overnight periods, and seasonal changes easier to compare than a single daily wind value.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the cloud cover heatmap for Martinez

This heatmap shows average cloud cover at Martinez for every month and hour. Use it to see whether cloudiness is mainly an overnight and morning pattern or commonly persists during the part of the day you plan to visit.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the solar radiation heatmap for Martinez

This heatmap shows the average solar radiation reaching Martinez by month and hour. Brighter cells indicate the strongest typical sun, while muted cells can reflect nighttime, shorter winter days, cloud cover, smoke, or terrain shading.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

Loading interactive climate heatmaps…

Location Details

📍
Coordinates
38.0194, -122.1341
⛰️
Elevation
16 ft
🏷️
Type
Town
🏷️
Tags
#sunny#waterfront#historic
Map
Loading map...
Get Directions →

Frequently Asked Questions

Everything you need to know about weather and visiting Martinez

What is the weather at Martinez right now?

Current conditions at Martinez are 86°F, feeling like 82°F, with 23% humidity, winds near 7 mph, 2% cloud cover, and a 0% chance of precipitation. Hot with clear skies

What temperatures are typical at Martinez?

The location-specific record for 1991-01-01 through 2020-12-31 shows an average daily high of 71°F and an average low of 48°F at Martinez. These are averages across the year; the monthly climate table on this page shows the warmer and cooler seasons separately.

How much rain does Martinez get?

The location-specific climate baseline estimates about 15.1 inches of precipitation and 69 days with measurable rain in a typical year at Martinez. The monthly breakdown shows when that rain is most likely.

How often is Martinez foggy?

Martinez averages about 1.8 hours of morning fog per day across the location-specific climate baseline, with approximately 97 foggy days in a typical year. Fog varies considerably by season, so check the monthly breakdown and current forecast for visit planning.

What are the best months to visit Martinez for comfortable weather?

Based on the destination's recorded comfort, temperature, sunshine, rain, and fog data, the strongest months are March 2026 (77°F/52°F average high/low and a 93 comfort score), April 2025 (72°F/49°F average high/low and a 90 comfort score), and May 2025 (79°F/53°F average high/low and a 89 comfort score). “Best” depends on the activity, so use the monthly table for the exact tradeoffs.

What kind of destination is Martinez?

Martinez is a town at 16 feet. Historic county seat, waterfront. Notable features include sunny, waterfront, and historic.

💡 Local Tip: San Francisco Bay Area weather can change dramatically within short distances and throughout the day. Always check current conditions before visiting Martinez.