Waltham, MA Hourly Weather
Hour-by-Hour Forecast
Today's Weather Breakdown
Currently 54°F and clear. Today in Waltham, MA: high of 71°F, low of 48°F with rain, partially cloudy. 50% chance of rain.
| Currently | 54°F · Clear |
| Today's High | 71°F |
| Today's Low | 48°F |
| Rain Chance | 50% |
Hour-by-Hour Temperature & Rain Probability
In Waltham, MA today, temperatures start near 48°F in the early morning and climb toward a high of 71°F in the afternoon. Rain probability climbs through the day, reaching around 50%. The afternoon hours carry the highest precipitation risk — bring an umbrella if you plan to be outside.
Reading the Hourly Weather Forecast
The hour-by-hour table shows temperature, feels-like temperature, precipitation probability, wind speed, humidity, and UV index for each hour of the day in Waltham. Rain probability above 40% for a given hour indicates a meaningful chance of precipitation during that window. UV index above 6 means sun protection is recommended for extended time outdoors.
Hourly forecasts are updated from live weather station data. For the full multi-day picture, see the Waltham 10-day forecast or check tomorrow's rain forecast for precipitation timing.
Hour-by-Hour Forecast for Waltham, MA
| Time | Temp | Feels Like | Rain | Conditions |
|---|---|---|---|---|
| 12:00 AM | 48°F | 48°F | 0% | Clear |
| 1:00 AM | 52°F | 52°F | 0% | Partially cloudy |
| 2:00 AM | 52°F | 52°F | 0% | Clear |
| 3:00 AM | 58°F | 58°F | 15% | Partially cloudy |
| 4:00 AM | 58°F | 58°F | 19% | Overcast |
| 5:00 AM | 57°F | 57°F | 23% | Overcast |
| 6:00 AM | 58°F | 58°F | 25% | Overcast |
| 7:00 AM | 58°F | 58°F | 28% | Overcast |
| 8:00 AM | 62°F | 62°F | 30% | Overcast |
| 9:00 AM | 65°F | 65°F | 27% | Partially cloudy |
| 10:00 AM | 68°F | 68°F | 24% | Overcast |
| 11:00 AM | 71°F | 71°F | 31% | Overcast |
| 12:00 PM | 70°F | 70°F | 37% | Overcast |
| 1:00 PM | 70°F | 70°F | 44% | Overcast |
| 2:00 PM | 69°F | 69°F | 50% | Rain, Overcast |
| 3:00 PM | 68°F | 68°F | 42% | Overcast |
| 4:00 PM | 65°F | 65°F | 35% | Partially cloudy |
| 5:00 PM | 64°F | 64°F | 27% | Partially cloudy |
| 6:00 PM | 61°F | 61°F | 24% | Partially cloudy |
| 7:00 PM | 59°F | 59°F | 22% | Partially cloudy |
| 8:00 PM | 59°F | 59°F | 19% | Partially cloudy |
| 9:00 PM | 57°F | 57°F | 10% | Partially cloudy |
| 10:00 PM | 56°F | 56°F | 8% | Partially cloudy |
| 11:00 PM | 55°F | 55°F | 7% | Partially cloudy |
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