Current Conditions
Waltham, Massachusetts
Wind
NNW 3 mph5 km/h
Humidity
90%
Cloud Cover
96%
As of Wednesday, September 9, 2026 at 2:10 AM EDT
Today's Outlook
Day
Overcast and warm, with a high of 78°F25°C and morning low of 63°F17°C. Breezy from the S at 7 to 11 mph11 to 17 km/h.
Night
Overcast, with a low around 60°F16°C. Breezy from the SSW at 8 to 14 mph13 to 22 km/h. 51% chance of drizzle in the evening.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Drizzle | High 78°F25°C | Low 60°F16°C | Precip 0.04 in0.9 mm51% | Cloud 98% | Wind SSW 7 mph12 km/h | Wednesday: Overcast and warm, with a high of 78°F25°C and morning low of 63°F17°C. Breezy from the S at 7 to 11 mph11 to 17 km/h. Wednesday Night: Overcast, with a low around 60°F16°C. Breezy from the SSW at 8 to 14 mph13 to 22 km/h. 51% chance of drizzle in the evening. | |
| Showers | High 86°F30°C | Low 71°F22°C | Precip 0.19 in4.9 mm85% | Cloud 68% | Wind WSW 12 mph19 km/h | Thursday: Mostly cloudy and warm, with a high of 86°F30°C and morning low of 71°F22°C. Breezy from the W at 11 to 12 mph18 to 20 km/h. 78% chance of showers in the morning. Thursday Night: Overcast, with a low around 72°F22°C. Breezy from the WSW at 12 to 15 mph19 to 24 km/h. 85% chance of light rain overnight. | |
| Clear | High 75°F24°C | Low 59°F15°C | Precip 0 in0 mm— | Cloud 15% | Wind NW 7 mph11 km/h | Friday: Mostly clear and warm, with a high of 75°F24°C and morning low of 64°F18°C. Breezy from the NW at 7 to 8 mph12 to 13 km/h. Dry air. Friday Night: Partly cloudy, with a low around 59°F15°C. Breezy from the WNW at 6 to 8 mph10 to 13 km/h. | |
| Drizzle | High 76°F24°C | Low 53°F12°C | Precip 0.01 in0.3 mm20% | Cloud 66% | Wind S 5 mph8 km/h | Saturday: Mostly cloudy and warm, with a high of 76°F24°C and morning low of 58°F14°C. Breezy from the SSE at 5 to 7 mph7 to 12 km/h. Saturday Night: Mostly cloudy, with a low around 53°F12°C. Breezy from the SSW at 6 to 8 mph9 to 13 km/h. 20% chance of drizzle overnight. | |
| Light Rain | High 75°F24°C | Low 65°F18°C | Precip 0.41 in10.4 mm68% | Cloud 81% | Wind SSW 7 mph11 km/h | Sunday: Overcast and warm, with a high of 75°F24°C and morning low of 66°F19°C. Breezy from the SSW at 7 mph10 km/h. 68% chance of light rain throughout the day. Humid. Sunday Night: Mostly cloudy, with a low around 65°F18°C. Breezy from the SSW at 7 mph11 km/h. 59% chance of light rain throughout the night. | |
| Drizzle | High 75°F24°C | Low 60°F15°C | Precip 0.04 in1 mm14% | Cloud 36% | Wind NW 8 mph12 km/h | Monday: Partly cloudy and warm, with a high of 75°F24°C and morning low of 66°F19°C. Breezy from the NW at 8 to 9 mph13 to 15 km/h. 10% chance of drizzle in the morning. Monday Night: Partly cloudy, with a low around 60°F15°C. Breezy from the NW at 7 to 8 mph11 to 12 km/h. 14% chance of drizzle overnight. | |
| Partly Cloudy | High 73°F23°C | Low 55°F13°C | Precip 0 in0 mm— | Cloud 43% | Wind SSW 7 mph11 km/h | Tuesday: Partly cloudy and warm, with a high of 73°F23°C and morning low of 58°F14°C. Breezy from the S at 6 to 8 mph10 to 13 km/h. Tuesday Night: Partly cloudy, with a low around 55°F13°C. Breezy from the SW at 7 to 9 mph12 to 15 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| WednesdaySep 9 | 78°F25°C | 60°F16°C | 0.04 in0.9 mm· 51% | 98% | Drizzle | SSW 7 mph12 km/h | |
DayOvercast and warm, with a high of 78°F25°C and morning low of 63°F17°C. Breezy from the S at 7 to 11 mph11 to 17 km/h. NightOvercast, with a low around 60°F16°C. Breezy from the SSW at 8 to 14 mph13 to 22 km/h. 51% chance of drizzle in the evening. | |||||||
| ThursdaySep 10 | 86°F30°C | 71°F22°C | 0.19 in4.9 mm· 85% | 68% | Showers | WSW 12 mph19 km/h | |
DayMostly cloudy and warm, with a high of 86°F30°C and morning low of 71°F22°C. Breezy from the W at 11 to 12 mph18 to 20 km/h. 78% chance of showers in the morning. NightOvercast, with a low around 72°F22°C. Breezy from the WSW at 12 to 15 mph19 to 24 km/h. 85% chance of light rain overnight. | |||||||
| FridaySep 11 | 75°F24°C | 59°F15°C | 0 in0 mm· — | 15% | Clear | NW 7 mph11 km/h | |
DayMostly clear and warm, with a high of 75°F24°C and morning low of 64°F18°C. Breezy from the NW at 7 to 8 mph12 to 13 km/h. Dry air. NightPartly cloudy, with a low around 59°F15°C. Breezy from the WNW at 6 to 8 mph10 to 13 km/h. | |||||||
| SaturdaySep 12 | 76°F24°C | 53°F12°C | 0.01 in0.3 mm· 20% | 66% | Drizzle | S 5 mph8 km/h | |
DayMostly cloudy and warm, with a high of 76°F24°C and morning low of 58°F14°C. Breezy from the SSE at 5 to 7 mph7 to 12 km/h. NightMostly cloudy, with a low around 53°F12°C. Breezy from the SSW at 6 to 8 mph9 to 13 km/h. 20% chance of drizzle overnight. | |||||||
| SundaySep 13 | 75°F24°C | 65°F18°C | 0.41 in10.4 mm· 68% | 81% | Light Rain | SSW 7 mph11 km/h | |
DayOvercast and warm, with a high of 75°F24°C and morning low of 66°F19°C. Breezy from the SSW at 7 mph10 km/h. 68% chance of light rain throughout the day. Humid. NightMostly cloudy, with a low around 65°F18°C. Breezy from the SSW at 7 mph11 km/h. 59% chance of light rain throughout the night. | |||||||
| MondaySep 14 | 75°F24°C | 60°F15°C | 0.04 in1 mm· 14% | 36% | Drizzle | NW 8 mph12 km/h | |
DayPartly cloudy and warm, with a high of 75°F24°C and morning low of 66°F19°C. Breezy from the NW at 8 to 9 mph13 to 15 km/h. 10% chance of drizzle in the morning. NightPartly cloudy, with a low around 60°F15°C. Breezy from the NW at 7 to 8 mph11 to 12 km/h. 14% chance of drizzle overnight. | |||||||
| TuesdaySep 15 | 73°F23°C | 55°F13°C | 0 in0 mm· — | 43% | Partly Cloudy | SSW 7 mph11 km/h | |
DayPartly cloudy and warm, with a high of 73°F23°C and morning low of 58°F14°C. Breezy from the S at 6 to 8 mph10 to 13 km/h. NightPartly cloudy, with a low around 55°F13°C. Breezy from the SW at 7 to 9 mph12 to 15 km/h. | |||||||
| WednesdaySep 16 | 81°F27°C | 64°F18°C | 0.04 in1.1 mm· 13% | 59% | Drizzle | SW 8 mph12 km/h | |
DayMostly cloudy and warm, with a high of 81°F27°C and morning low of 67°F19°C. Breezy from the WSW at 7 to 8 mph12 to 13 km/h. 13% chance of drizzle throughout the day. NightMostly cloudy, with a low around 64°F18°C. Breezy from the SW at 8 to 9 mph13 to 15 km/h. 10% chance of drizzle in the evening. | |||||||
| ThursdaySep 17 | 78°F26°C | 65°F18°C | 0.07 in1.9 mm· 13% | 54% | Drizzle | SSW 6 mph10 km/h | |
DayMostly cloudy and warm, with a high of 78°F26°C and morning low of 66°F19°C. Light wind from the S around 6 mph9 km/h. 12% chance of drizzle throughout the day. NightMostly cloudy, with a low around 65°F18°C. Breezy from the SW at 7 mph11 km/h. 13% chance of drizzle throughout the night. | |||||||
| FridaySep 18 | 80°F27°C | 66°F19°C | 0.1 in2.6 mm· 19% | 54% | Showers | WSW 8 mph13 km/h | |
DayMostly cloudy and warm, with a high of 80°F27°C and morning low of 68°F20°C. Breezy from the WSW at 8 to 9 mph13 to 14 km/h. 19% chance of showers throughout the day. NightMostly cloudy, with a low around 66°F19°C. Breezy from the WSW at 8 mph12 km/h. 14% chance of drizzle throughout the night. | |||||||
| SaturdaySep 19 | 74°F23°C | 62°F17°C | 0.08 in2 mm· 14% | 48% | Drizzle | W 8 mph12 km/h | |
DayPartly cloudy and warm, with a high of 74°F23°C and morning low of 64°F18°C. Breezy from the WNW at 8 mph13 km/h. 14% chance of drizzle throughout the day. NightPartly cloudy, with a low around 62°F17°C. Breezy from the W at 7 to 8 mph12 to 13 km/h. 13% chance of drizzle throughout the night. | |||||||
| SundaySep 20 | 71°F21°C | 58°F15°C | 0.13 in3.2 mm· 18% | 56% | Showers | WNW 7 mph12 km/h | |
DayMostly cloudy and warm, with a high of 71°F21°C and morning low of 60°F16°C. Breezy from the WNW at 7 to 8 mph12 to 13 km/h. 18% chance of showers throughout the day. NightMostly cloudy, with a low around 58°F15°C. Breezy from the W at 7 to 8 mph12 to 12 km/h. 16% chance of showers throughout the night. | |||||||
| MondaySep 21 | 67°F19°C | 54°F12°C | 0.17 in4.3 mm· 21% | 55% | Showers | NW 7 mph11 km/h | |
DayMostly cloudy and mild, with a high of 67°F19°C and morning low of 56°F13°C. Breezy from the NNW at 7 mph11 km/h. 19% chance of showers throughout the day. Dry air. NightMostly cloudy, with a low around 54°F12°C. Breezy from the NW at 7 mph11 km/h. 21% chance of showers throughout the night. | |||||||
| TuesdaySep 22 | 67°F19°C | 53°F11°C | 0.15 in3.7 mm· 18% | 52% | Showers | NNW 7 mph11 km/h | |
DayMostly cloudy and mild, with a high of 67°F19°C and morning low of 55°F13°C. Breezy from the NNW at 7 mph11 km/h. 18% chance of showers throughout the day. Dry air. NightMostly cloudy, with a low around 53°F11°C. Breezy from the NW at 7 mph11 km/h. 18% chance of showers throughout the night. | |||||||
| WednesdaySep 23 | 68°F20°C | 53°F12°C | 0.1 in2.5 mm· 15% | 54% | Drizzle | NNW 7 mph11 km/h | |
DayMostly cloudy and mild, with a high of 68°F20°C and morning low of 55°F13°C. Breezy from the N at 7 mph11 km/h. 15% chance of drizzle throughout the day. Dry air. NightMostly cloudy, with a low around 53°F12°C. Light wind from the NW around 7 mph10 km/h. 13% chance of drizzle throughout the night. | |||||||
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Coordinates: 42.3765°N, 71.2356°W·Elevation: 20m·Timezone: America/New_York·Population: 63,378