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Johnston RI Weather - Lightning Observed - 72°F
Lightning Observed
72°F
Updated 3:16 am
Feels Like 70°F
Humidity 90%
Wind W 6 mph
Barometer  29.83 in
Dew Point 69°F
Johnston RI Weather - Lightning Observed - 22°C
Lightning Observed
22°C
Updated 3:16 am
Feels Like 21°C
Humidity 90%
Wind W 10 km/h
Barometer  101 kPa
Dew Point 21°C
Johnston, RI Weather and Current Conditionsjohnston ri weather forecast

Johnston, RI Weather Forecast

Johnston Rhode Island WeatherJohnston, Rhode Island Weather Weather Forecast
14 day API forecast for Johnston, Rhode Island. Note. The 7-day weather forecast for Johnston, RI is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Johnston, RI Weather Forecast Dated: 316 AM Fri Sep 04 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Friday, September 4, 2026

Mid-Morning
Johnston Weather - 2026-09-04 - Morning - Sunny
73°F 23°C
Sunny
Mid-Afternoon
Johnston Weather - 2026-09-04 - Afternoon - Sunny
85°F 29°C
Sunny
Early-Evening
Johnston Weather - 2026-09-04 - Evening - Sunny
74°F 24°C
Sunny
Warm and summery near 85°F 29°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the NW to the NNW at 7 mph 12 km/h.

Saturday, September 5, 2026

Mid-Morning
Johnston Weather - 2026-09-05 - Morning - Sunny
67°F 20°C
Sunny
Mid-Afternoon
Johnston Weather - 2026-09-05 - Afternoon - Light Showers
69°F 21°C
Light Showers
Early-Evening
Johnston Weather - 2026-09-05 - Evening - Light Showers
63°F 17°C
Light Showers
Comfortable with temperatures reaching 69°F 21°C, clouds and showers taking over for the afternoon and evening, with increasing humidity and steady pressure. Winds switching from the NNE to the NE at 6 mph 9 km/h.

Sunday, September 6, 2026

Mid-Morning
Johnston Weather - 2026-09-06 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Johnston Weather - 2026-09-06 - Afternoon - Scattered Showers
69°F 21°C
Scattered Showers
Early-Evening
Johnston Weather - 2026-09-06 - Evening - Scattered Showers
61°F 16°C
Scattered Showers
Enjoyable around 69°F 21°C, locally heavy downpours at times, with steady humidity and steady pressure.

Monday, September 7, 2026

Mid-Morning
Johnston Weather - 2026-09-07 - Morning - Sunny
65°F 18°C
Sunny
Mid-Afternoon
Johnston Weather - 2026-09-07 - Afternoon - Sunny
78°F 25°C
Sunny
Early-Evening
Johnston Weather - 2026-09-07 - Evening - Sunny
71°F 22°C
Sunny
Mild temperatures up to 78°F 25°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.

Tuesday, September 8, 2026

Mid-Morning
Johnston Weather - 2026-09-08 - Morning - Partly Cloudy
70°F 21°C
Partly Cloudy
Mid-Afternoon
Johnston Weather - 2026-09-08 - Afternoon - Sunny
76°F 24°C
Sunny
Early-Evening
Johnston Weather - 2026-09-08 - Evening - Partly Cloudy
68°F 20°C
Partly Cloudy
Mild with a high of 76°F 24°C, partly cloudy throughout the day, with steady humidity and steady pressure.

Wednesday, September 9, 2026

Mid-Morning
Johnston Weather - 2026-09-09 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
Johnston Weather - 2026-09-09 - Afternoon - Overcast
67°F 20°C
Overcast
Early-Evening
Johnston Weather - 2026-09-09 - Evening - Overcast
67°F 19°C
Overcast
Mildly cool near 67°F 20°C, overcast throughout the day, with steady humidity and barometric pressure falling.

Thursday, September 10, 2026

Mid-Morning
Johnston Weather - 2026-09-10 - Morning - Overcast
71°F 22°C
Overcast
Mid-Afternoon
Johnston Weather - 2026-09-10 - Afternoon - Overcast
86°F 30°C
Overcast
Early-Evening
Johnston Weather - 2026-09-10 - Evening - Overcast
76°F 25°C
Overcast
Balmy with temperatures reaching 86°F 30°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds moving from the WSW to the WNW at 13 mph 21 km/h. Gusts up to 34 mph 55 km/h.

Friday, September 11, 2026

Mid-Morning
Johnston Weather - 2026-09-11 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Johnston Weather - 2026-09-11 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
Johnston Weather - 2026-09-11 - Evening - Sunny
63°F 17°C
Sunny
Enjoyable around 70°F 21°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure rising. Winds swinging from the NW to the NNW at 10 mph 17 km/h. Gusts up to 23 mph 37 km/h.

Saturday, September 12, 2026

Mid-Morning
Johnston Weather - 2026-09-12 - Morning - Partly Cloudy
58°F 14°C
Partly Cloudy
Mid-Afternoon
Johnston Weather - 2026-09-12 - Afternoon - Partly Cloudy
66°F 19°C
Partly Cloudy
Early-Evening
Johnston Weather - 2026-09-12 - Evening - Overcast
60°F 16°C
Overcast
Refreshing around 66°F 19°C, partly cloudy through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure rising. Winds shifting from the WSW to the SSE at 4 mph 7 km/h.

Sunday, September 13, 2026

Mid-Morning
Johnston Weather - 2026-09-13 - Morning - Sunny
58°F 14°C
Sunny
Mid-Afternoon
Johnston Weather - 2026-09-13 - Afternoon - Overcast
70°F 21°C
Overcast
Early-Evening
Johnston Weather - 2026-09-13 - Evening - Overcast
61°F 17°C
Overcast
Mild with a high of 70°F 21°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.

Monday, September 14, 2026

Mid-Morning
Johnston Weather - 2026-09-14 - Morning - Sunny
67°F 19°C
Sunny
Mid-Afternoon
Johnston Weather - 2026-09-14 - Afternoon - Scattered Showers
73°F 23°C
Scattered Showers
Early-Evening
Johnston Weather - 2026-09-14 - Evening - Scattered Showers
66°F 19°C
Scattered Showers
Pleasant near 73°F 23°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds SW at 10 mph 16 km/h. Gusts up to 25 mph 40 km/h.

Tuesday, September 15, 2026

Mid-Morning
Johnston Weather - 2026-09-15 - Morning - Overcast
69°F 20°C
Overcast
Mid-Afternoon
Johnston Weather - 2026-09-15 - Afternoon - Scattered Showers
76°F 25°C
Scattered Showers
Early-Evening
Johnston Weather - 2026-09-15 - Evening - Sunny
70°F 21°C
Sunny
Comfortable with temperatures reaching 76°F 25°C, locally heavy downpours at times, with steady humidity and steady pressure.

Wednesday, September 16, 2026

Mid-Morning
Johnston Weather - 2026-09-16 - Morning - Overcast
72°F 22°C
Overcast
Mid-Afternoon
Johnston Weather - 2026-09-16 - Afternoon - Scattered Showers
85°F 29°C
Scattered Showers
Early-Evening
Johnston Weather - 2026-09-16 - Evening - Sunny
76°F 24°C
Sunny
Warm and summery around 85°F 29°C (feels like 90°F 32°C), periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds switching from the SW to the WNW at 9 mph 14 km/h. Gusts up to 21 mph 34 km/h.

Thursday, September 17, 2026

Mid-Morning
Johnston Weather - 2026-09-17 - Morning - Overcast
69°F 21°C
Overcast
Mid-Afternoon
Johnston Weather - 2026-09-17 - Afternoon - Overcast
80°F 27°C
Overcast
Early-Evening
Johnston Weather - 2026-09-17 - Evening - Overcast
72°F 22°C
Overcast
Warm temperatures up to 80°F 27°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the WNW to the W at 5 mph 8 km/h.

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Weather by the Numbers

Fri, 4th
Johnston RI Weather - Friday, Sep 4, 2026 - Sunny
Hi: 85°F 29°C
Lo: 66°F 19°C
Sunrise 06:15 AM
Sunset 07:14 PM
Wind NW 9 mph14 km/h
Dew Point 59°F15°C
uv Index 5
Barometric Pressure 29.8 in1009 mb
POP 1% *
Humidity 45%
Sat, 5th
Johnston RI Weather - Saturday, Sep 5, 2026 - Patchy Rain Nearby
Hi: 73°F 23°C
Lo: 60°F 16°C
Sunrise 06:16 AM
Sunset 07:12 PM
Wind NE 6 mph10 km/h
Dew Point 59°F15°C
uv Index 4
Barometric Pressure 29.83 in1010 mb
POP 17% *
Humidity 65%
Sun, 6th
Johnston RI Weather - Sunday, Sep 6, 2026 - Light Rain Shower
Hi: 69°F 21°C
Lo: 57°F 14°C
Sunrise 06:17 AM
Sunset 07:11 PM
Wind NNE 7 mph12 km/h
Dew Point 51°F10°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 22% *
Humidity 51%
Mon, 7th
Johnston RI Weather - Monday, Sep 7, 2026 - Sunny
Hi: 78°F 26°C
Lo: 54°F 12°C
Sunrise 06:18 AM
Sunset 07:09 PM
Wind NNW 8 mph13 km/h
Dew Point 45°F7°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 36%
Tue, 8th
Johnston RI Weather - Tuesday, Sep 8, 2026 - Partly Cloudy
Hi: 78°F 25°C
Lo: 61°F 16°C
Sunrise 06:19 AM
Sunset 07:07 PM
Wind NNW 5 mph9 km/h
Dew Point 54°F12°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 4% *
Humidity 47%
Wed, 9th
Johnston RI Weather - Wednesday, Sep 9, 2026 - Overcast
Hi: 68°F 20°C
Lo: 58°F 14°C
Sunrise 06:20 AM
Sunset 07:06 PM
Wind ESE 4 mph6 km/h
Dew Point 58°F15°C
uv Index 4
Barometric Pressure 30.18 in1022 mb
POP 20% *
Humidity 73%
Thu, 10th
Johnston RI Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 86°F 30°C
Lo: 66°F 19°C
Sunrise 06:21 AM
Sunset 07:04 PM
Wind W 12 mph19 km/h
Dew Point 64°F18°C
uv Index 6
Barometric Pressure 29.68 in1005 mb
POP 14% *
Humidity 60%
Fri, 11th
Johnston RI Weather - Friday, Sep 11, 2026 - Partly Cloudy
Hi: 71°F 22°C
Lo: 56°F 14°C
Sunrise 06:22 AM
Sunset 07:02 PM
Wind NW 14 mph22 km/h
Dew Point 45°F7°C
uv Index 6
Barometric Pressure 29.65 in1004 mb
POP 2% *
Humidity 44%
Sat, 12th
Johnston RI Weather - Saturday, Sep 12, 2026 - Partly Cloudy
Hi: 67°F 19°C
Lo: 53°F 12°C
Sunrise 06:23 AM
Sunset 07:00 PM
Wind NNE 8 mph13 km/h
Dew Point 41°F5°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 5% *
Humidity 44%
Sun, 13th
Johnston RI Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 71°F 22°C
Lo: 50°F 10°C
Sunrise 06:24 AM
Sunset 06:59 PM
Wind ENE 3 mph4 km/h
Dew Point 45°F7°C
uv Index 4
Barometric Pressure 30.33 in1027 mb
POP 3% *
Humidity 44%
Mon, 14th
Johnston RI Weather - Monday, Sep 14, 2026 - Patchy Rain Nearby
Hi: 75°F 24°C
Lo: 58°F 15°C
Sunrise 06:25 AM
Sunset 06:57 PM
Wind SW 12 mph19 km/h
Dew Point 54°F12°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 5% *
Humidity 51%
Tue, 15th
Johnston RI Weather - Tuesday, Sep 15, 2026 - Patchy Rain Nearby
Hi: 78°F 26°C
Lo: 65°F 18°C
Sunrise 06:26 AM
Sunset 06:55 PM
Wind SW 4 mph6 km/h
Dew Point 65°F18°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 20% *
Humidity 74%
Wed, 16th
Johnston RI Weather - Wednesday, Sep 16, 2026 - Patchy Rain Nearby
Hi: 86°F 30°C
Lo: 68°F 20°C
Sunrise 06:27 AM
Sunset 06:53 PM
Wind WSW 8 mph13 km/h
Dew Point 70°F21°C
uv Index 6
Barometric Pressure 29.77 in1008 mb
POP 21% *
Humidity 78%
Thu, 17th
Johnston RI Weather - Thursday, Sep 17, 2026 - Overcast
Hi: 81°F 27°C
Lo: 61°F 16°C
Sunrise 06:28 AM
Sunset 06:52 PM
Wind WNW 8 mph13 km/h
Dew Point 47°F8°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 9% *
Humidity 33%
* POP = Probability of Precipitation. Data for 12:00 PM.