Weather Grantham, Saint Mary long-term weather forecast
Long-term weather forecast for Grantham, Saint Mary for ten days.
Friday, Jan 16
79 / 68°F
| 0.00 in | 6 mph |
| 66 °F | 70 °F | 1 am | |
| 61 °F | 66 °F | 7 am | |
| 79 °F | 84 °F | 1 pm | |
| 70 °F | 77 °F | 7 pm |
sunrise 6:42 am
sunset 5:52 pm
HOURLY
sunset 5:52 pm
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Weather forecast Grantham, Saint Mary, Jamaica extended forecast
| Time | State Temp. Feels like | Precip. | Wind | Pressure | Humidity | Dew | total |
Fog | Low |
Middle |
High |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Friday 01/16/2026 |
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| 1 AM | clear | 66 °F 72 °F |
0.0 in | 8 fps 5 mph southwest |
29.9 in | 99 % | 64 °F | 7 % | 0% | 7% | 0% | 0% | |
| 7 AM | overcast | 61 °F 64 °F |
0.01 in | 2 fps 2 mph southwest |
29.9 in | 99 % | 61 °F | 99 % | 0% | 99% | 0% | 0% | |
| 1 PM | rain showers | 79 °F 84 °F |
0.08 in | 9 fps 6 mph northeast |
29.9 in | 71 % | 68 °F | 45 % | 0% | 36% | 17% | 0% | |
| 7 PM | cloudy | 70 °F 77 °F |
0.00 in | 7 fps 4 mph east-northeast |
30.0 in | 99 % | 70 °F | 61 % | 0% | 47% | 27% | 2% | |
Saturday 01/17/2026 |
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| 1 AM | light rain showers | 70 °F 75 °F |
0.03 in | 8 fps 5 mph east-northeast |
30.0 in | 96 % | 68 °F | 57 % | 0% | 25% | 3% | 39% | |
| 7 AM | rain | 72 °F 79 °F |
0.19 in | 10 fps 7 mph east-northeast |
30.0 in | 97 % | 70 °F | 100 % | 0% | 100% | 22% | 60% | |
| 1 PM | rain | 75 °F 82 °F |
0.07 in | 11 fps 8 mph east-northeast |
30.0 in | 93 % | 72 °F | 100 % | 0% | 89% | 31% | 100% | |
| 7 PM | rain | 72 °F 79 °F |
0.08 in | 7 fps 4 mph east |
30.0 in | 99 % | 70 °F | 100 % | 0% | 61% | 23% | 100% | |
Grantham, Saint Mary, Jamaica - information
State: JamaicaGPS coordinates: 18.2598; -76.8896
Time zone: America / Jamaica
time difference in hours with time in NY is -6 hours
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Data source
Weather forecast for Grantham, Saint Mary is supplied by MET Norway Norwegian Meteorological Institute and the NRK.Feels like
To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.Weather with Meteobox for your website
Astronomical information Grantham, Saint Mary
data are always in the local timeSun and light
Jan. 16, 2026
| Sunrise: | Sunset: |
| 6:42 am | 5:52 pm |
| Noon: | Length of day: |
| 12:17 pm | 11:10 |
| Start of civil twilight*: | End of civil twilight*: |
| 6:18 am | 6:16 pm |
| Start of nautical twilight*: | End of nautical twilight*: |
| 5:52 am | 6:42 pm |
| Start of astronomical twilight*: | End of astronomical twilight*: |
| 5:25 am | 7:08 pm |
| * What is Twilight? | |
Moon and moon phases
| Moonrise: | Moonset: |
| 01/16/2026 5:01 am | 01/16/2026 4:02 pm |
| Next new moon: | Next full moon: |
| 01/18/2026 | 02/01/2026 |
