Boston, MA Hourly Forecast
Boston temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 12 PM - around 88°
- Coolest hour: 5 AM - around 62°
- Rain risk: low all day (peaks at 5%)
- UV peak: 1 PM at index 8 - sun protection recommended
- Windiest: 12 PM at 13 mph
Boston hourly weather - Friday, July 17
In Boston, expect a high near 87°F (30°C) around 4 PM and a low of 69°F (21°C) near 11 PM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 1 PM | Sunny | 84° | 82° | 0% | 9 mph NW | 26% | 8 | |
| 2 PM | Sunny | 86° | 82° | 0% | 8 mph NW | 24% | 8 | |
| 3 PM | Sunny | 86° | 83° | 0% | 8 mph NW | 23% | 6 | |
| 4 PM | Sunny | 87° | 83° | 0% | 7 mph NW | 22% | 4 | |
| 5 PM | Sunny | 87° | 83° | 0% | 5 mph NW | 21% | 2 | |
| 6 PM | Sunny | 86° | 82° | 0% | 4 mph NNW | 20% | 1 | |
| 7 PM | Sunny | 85° | 81° | 0% | 3 mph ENE | 21% | 0 | |
| 8 PM | Sunny | 80° | 78° | 0% | 4 mph ESE | 24% | 0 | |
| 9 PM | Clear | 73° | 76° | 1% | 4 mph SE | 47% | 0 | |
| 10 PM | Clear | 71° | 71° | 3% | 4 mph SE | 58% | 0 | |
| 11 PM | Clear | 69° | 69° | 4% | 3 mph SSE | 63% | 0 |
Boston hourly weather - Saturday, July 18
In Boston, expect a high near 90°F (32°C) around 2 PM and a low of 62°F (17°C) near 5 AM; precipitation risk peaks at 81% around 5 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 68° | 68° | 5% | 3 mph S | 66% | 0 | |
| 1 AM | Clear | 68° | 68° | 4% | 4 mph SSW | 64% | 0 | |
| 2 AM | Clear | 64° | 64° | 4% | 4 mph SW | 58% | 0 | |
| 3 AM | Clear | 64° | 64° | 3% | 4 mph WSW | 58% | 0 | |
| 4 AM | Clear | 63° | 63° | 4% | 5 mph WSW | 60% | 0 | |
| 5 AM | Clear | 62° | 62° | 4% | 4 mph WSW | 61% | 0 | |
| 6 AM | Sunny | 62° | 62° | 5% | 5 mph SW | 60% | 0 | |
| 7 AM | Sunny | 67° | 67° | 3% | 6 mph WSW | 53% | 0 | |
| 8 AM | Sunny | 73° | 76° | 1% | 6 mph SW | 43% | 1 | |
| 9 AM | Sunny | 78° | 78° | 1% | 7 mph SW | 37% | 2 | |
| 10 AM | Sunny | 82° | 82° | 1% | 10 mph SSW | 38% | 3 | |
| 11 AM | Sunny | 86° | 85° | 1% | 12 mph SSW | 36% | 4 | |
| 12 PM | Sunny | 88° | 88° | 1% | 13 mph SSW | 36% | 5 | |
| 1 PM | Sunny | 89° | 89° | 1% | 14 mph SSW | 35% | 5 | |
| 2 PM | Sunny | 90° | 89° | 1% | 15 mph SW | 34% | 4 | |
| 3 PM | Partly Cloudy | 89° | 89° | 3% | 19 mph SW | 37% | 3 | |
| 4 PM | Light rain | 75° | 79° | 58% | 17 mph SW | 74% | 1 | |
| 5 PM | Light rain | 69° | 69° | 81% | 14 mph SSW | 97% | 0 | |
| 6 PM | Light rain | 68° | 68° | 77% | 14 mph SSW | 97% | 0 | |
| 7 PM | Overcast | 69° | 69° | 34% | 13 mph SSW | 97% | 0 | |
| 8 PM | Patchy rain nearby | 69° | 69° | 35% | 13 mph SSW | 97% | 0 | |
| 9 PM | Patchy rain nearby | 70° | 70° | 40% | 11 mph SSW | 97% | 0 | |
| 10 PM | Patchy rain nearby | 70° | 70° | 37% | 11 mph SW | 96% | 0 | |
| 11 PM | Patchy rain nearby | 71° | 71° | 35% | 11 mph SW | 95% | 0 |
Boston hourly weather - Sunday, July 19
In Boston, expect a high near 81°F (27°C) around 3 PM and a low of 64°F (18°C) near 11 PM; precipitation risk peaks at 34% around 1 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Overcast | 71° | 71° | 32% | 11 mph SSW | 94% | 0 | |
| 1 AM | Patchy rain nearby | 71° | 71° | 34% | 12 mph SW | 95% | 0 | |
| 2 AM | Patchy rain nearby | 72° | 72° | 32% | 12 mph SW | 93% | 0 | |
| 3 AM | Cloudy | 72° | 76° | 26% | 12 mph SW | 90% | 0 | |
| 4 AM | Overcast | 72° | 76° | 29% | 11 mph WSW | 90% | 0 | |
| 5 AM | Patchy rain nearby | 72° | 76° | 23% | 10 mph WSW | 88% | 0 | |
| 6 AM | Patchy rain nearby | 72° | 76° | 23% | 10 mph W | 83% | 0 | |
| 7 AM | Patchy rain nearby | 72° | 76° | 16% | 12 mph NW | 76% | 0 | |
| 8 AM | Partly Cloudy | 70° | 70° | 7% | 13 mph NNW | 68% | 1 | |
| 9 AM | Sunny | 71° | 71° | 2% | 14 mph NW | 54% | 2 | |
| 10 AM | Sunny | 74° | 77° | 1% | 14 mph NW | 47% | 4 | |
| 11 AM | Sunny | 76° | 77° | 1% | 14 mph NW | 42% | 6 | |
| 12 PM | Sunny | 78° | 78° | 1% | 13 mph NW | 38% | 7 | |
| 1 PM | Sunny | 80° | 79° | 2% | 13 mph NW | 34% | 7 | |
| 2 PM | Sunny | 81° | 80° | 1% | 13 mph NW | 32% | 7 | |
| 3 PM | Sunny | 81° | 80° | 1% | 13 mph NW | 30% | 6 | |
| 4 PM | Sunny | 81° | 79° | 1% | 13 mph NW | 28% | 4 | |
| 5 PM | Sunny | 81° | 79° | 1% | 13 mph NW | 28% | 2 | |
| 6 PM | Sunny | 80° | 78° | 1% | 11 mph NNW | 29% | 1 | |
| 7 PM | Sunny | 78° | 77° | 1% | 9 mph NNW | 31% | 0 | |
| 8 PM | Sunny | 73° | 75° | 1% | 8 mph NNW | 35% | 0 | |
| 9 PM | Clear | 70° | 70° | 1% | 9 mph NNW | 37% | 0 | |
| 10 PM | Clear | 68° | 68° | 1% | 7 mph NNW | 40% | 0 | |
| 11 PM | Clear | 64° | 64° | 1% | 5 mph NW | 45% | 0 |
Quick answers for the hours ahead
What is the warmest hour in Boston today?
Will it rain in Boston tonight?
When is the UV index highest in Boston today?
Boston hour-by-hour: what to expect
Over the next 24 hours in Boston, temperatures range from 62°F (17°C) around 5 AM up to 88°F (31°C) near 12 PM - about 5°F (3°C) above the typical July high of 83°F (28°C).
Precipitation chances stay minimal throughout, so plans can skip the umbrella. UV reaches 8 (1 PM) - sun protection recommended through midday.
The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the Boston 14-day forecast or the monthly climate averages.