Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 11%

04:06

17:57

06 Good
07 Good
08 Good
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 Good
01 Good
02 Good
03 OK
04 OK
05 OK

Sun - Rise: 06:41, Set: 19:02, Transit: 12:52. Moon - Rise: 04:06, Set: 17:57. Civil Dark: 19:32 - 06:11. Nautical Dark: 20:07 - 05:37. Astro Dark: 20:44 - 05:01

Total Clouds (% Sky Obscured)

0
1
3
38
48
95
85
85
72
56
82
83
85
86
84
62
50
21
12
9
3
30
27
34

Low Clouds (% Sky Obscured)

0
0
0
0
35
71
66
78
59
56
70
70
66
74
81
62
50
21
12
9
3
25
22
28

Medium Clouds (% Sky Obscured)

0
0
2
2
15
35
40
8
21
0
39
33
37
36
4
0
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
1
3
38
24
43
3
3
6
2
0
0
0
0
0
0
0
0
3
4
3
4
3
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
2
7
38
28
14
6
9
21
19
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
4
4
6
5
7
8
9
9
7
7
9
9
8
8
8
9
9
8
8
7
5
4
4

Chance of Frost

Temperature (°C)

12
11
14
17
20
21
21
21
20
20
19
19
18
17
15
14
13
11
10
9
8
6
6
5

Feels Like (°C)

14
13
16
18
20
21
22
20
19
19
18
19
16
15
13
12
9
8
8
6
6
5
5
5

Dew Point (°C)

11
10
12
12
13
12
13
14
16
17
16
16
16
15
14
12
10
7
7
5
4
3
3
4

Relative Humidity (%)

96
95
87
73
64
57
58
64
76
82
82
81
88
90
90
87
81
75
78
74
75
76
83
88

Pressure (mb)

1014
1014
1014
1014
1013
1013
1013
1013
1013
1012
1012
1012
1013
1013
1014
1015
1015
1016
1016
1016
1017
1017
1017
1018

Ozone (du)

282
285
285
284
284
284
286
286
284
283
284
282
280
279
279
281
282
281
281
281
283
283
282
281

Friday 19

Waning Crescent 5%

05:18

18:16

06 OK
07 Bad
08 Bad
09 Bad
10 OK
11 OK
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 06:42, Set: 19:00, Transit: 12:51. Moon - Rise: 05:18, Set: 18:16. Civil Dark: 19:30 - 06:12. Nautical Dark: 20:05 - 05:39. Astro Dark: 20:42 - 05:02

Total Clouds (% Sky Obscured)

38
47
61
65
33
24
9
3
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0

Low Clouds (% Sky Obscured)

31
39
51
62
32
24
9
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
6
7
8
9
9
9
10
10
9
7
5
5
5
5
6
5
5
4
4
3
3

Chance of Frost

Temperature (°C)

5
4
8
10
11
12
13
14
15
15
15
14
13
10
7
6
5
5
4
3
2
2
1
-1

Feels Like (°C)

4
4
8
9
10
11
12
12
13
12
12
11
11
9
6
4
4
4
3
2
1
0
-1
-1

Dew Point (°C)

3
3
4
4
3
3
1
-0
-1
-1
-1
-1
-0
0
-1
-3
-3
-3
-3
-4
-4
-4
-5
-5

Relative Humidity (%)

89
88
78
68
58
51
43
36
34
33
33
35
41
52
55
54
55
56
58
60
62
65
67
70

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1021
1023
1024
1024
1025
1026
1026
1027
1027
1028
1028

Ozone (du)

282
282
283
284
284
284
285
285
286
284
283
282
282
283
285
286
286
287
286
286
285
284
284
282

Saturday 20

Waning Crescent 1%

No Rise

18:33

06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 OK
00 Good
01 Good
02 Good
03 Good
04 OK
05 Good

Sun - Rise: 06:44, Set: 18:58, Transit: 12:51. Moon - Rise: No Rise, Set: 18:33. Civil Dark: 19:28 - 06:14. Nautical Dark: 20:03 - 05:40. Astro Dark: 20:39 - 05:04

Total Clouds (% Sky Obscured)

0
0
1
1
1
1
1
0
0
0
0
2
2
2
2
4
5
29
16
11
3
3
29
15

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
1
1
1
1
1
0
0
0
0
2
2
1
2
3
5
20
12
9
2
2
24
14

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
2
3
4
4
5
5
5
5
5
4
3
3
3
3
3
3
3
3
4
4
3
3

Chance of Frost

Temperature (°C)

-1
-2
2
7
9
11
12
13
14
15
15
14
13
9
7
6
5
5
4
4
4
4
4
3

Feels Like (°C)

-2
-3
1
5
8
9
10
12
13
13
13
13
13
8
7
6
4
4
2
2
3
3
3
1

Dew Point (°C)

-6
-6
-6
-4
-4
-5
-5
-5
-5
-4
-4
-3
3
0
-1
-3
-4
-4
-4
-5
-4
-4
-4
-4

Relative Humidity (%)

71
71
58
48
41
34
30
27
26
26
27
30
49
54
54
53
52
52
53
54
55
57
59
60

Pressure (mb)

1029
1030
1030
1030
1029
1029
1028
1028
1027
1027
1026
1026
1026
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

280
278
276
276
276
275
274
275
275
275
275
275
274
275
279
281
282
282
282
281
279
279
278
278

Sunday 21

New Moon 0%

06:27

18:48

06 Good
07 OK
08 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:45, Set: 18:56, Transit: 12:50. Moon - Rise: 06:27, Set: 18:48. Civil Dark: 19:26 - 06:15. Nautical Dark: 20:01 - 05:41. Astro Dark: 20:37 - 05:05

Total Clouds (% Sky Obscured)

16
27
37
70
97
99
100
100
82
67
51
62
58
52
33
60
63
62
62
56
74
90
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
8
2
2
3
0
0
0
0
0
0
7
24
75
60

High Clouds (% Sky Obscured)

14
24
28
65
96
98
100
100
82
61
33
29
25
23
16
21
31
29
28
30
54
80
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
3
4
5
6
7
7
6
6
6
6
4
4
4
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

4
4
6
9
12
15
16
17
18
18
18
18
15
12
10
10
9
10
10
10
10
10
10
10

Feels Like (°C)

3
3
5
8
10
11
12
14
14
15
15
15
13
10
8
8
7
7
7
7
7
7
8
8

Dew Point (°C)

-3
-3
-2
-3
-2
-0
-1
0
1
2
2
4
6
5
3
2
1
2
1
2
2
4
5
6

Relative Humidity (%)

61
61
56
44
39
35
32
32
31
33
34
40
56
61
58
59
57
56
55
57
60
65
69
74

Pressure (mb)

1028
1028
1027
1027
1026
1026
1025
1024
1023
1023
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1020
1019
1019
1019

Ozone (du)

278
277
278
277
277
278
279
279
279
281
280
277
277
276
277
279
280
280
279
278
277
277
276
275

Monday 22

Waxing Crescent 1%

07:34

19:03

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:46, Set: 18:54, Transit: 12:50. Moon - Rise: 07:34, Set: 19:03. Civil Dark: 19:24 - 06:16. Nautical Dark: 19:59 - 05:43. Astro Dark: 20:35 - 05:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
98
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
1
10
16
24
39
51
66
77
72
68
58
62
65
70
73
78
83
88
94
100
97

Medium Clouds (% Sky Obscured)

84
39
82
69
89
90
90
89
68
77
65
75
88
66
67
74
84
74
70
62
56
55
53
58

High Clouds (% Sky Obscured)

100
100
100
100
100
78
54
50
78
80
88
86
62
88
95
95
94
90
86
82
87
91
88
68

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
9
7
2
4
9
9
9
6
3
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
Light Rain
None
None
Very Light Rain
None
Light Rain
Light Rain
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
2
4
18
74
37
64
57
44
77
90
40
30
37
69
72
77
76
77
80
84
86
93
75

Precipitation Amount (mm)

0
0
0
0
0.4
0
0
0.3
0
0.5
0.6
0
0
0
0.4
0.4
0.4
0.4
0.4
0.5
0.6
0.6
0.9
0.5

Wind Speed/Direction (mph)

4
4
4
6
7
6
6
7
6
7
6
6
6
4
3
3
3
3
4
5
6
6
6
6

Chance of Frost

Temperature (°C)

10
10
11
14
15
14
15
16
16
18
17
17
17
17
16
16
16
15
16
16
16
16
16
16

Feels Like (°C)

8
8
10
12
13
14
14
15
15
17
17
17
17
17
16
16
16
16
16
16
16
17
17
17

Dew Point (°C)

7
7
8
9
11
13
14
15
15
16
17
17
17
16
16
16
16
15
15
16
16
16
16
16

Relative Humidity (%)

78
78
79
73
74
93
95
93
95
89
95
100
98
98
100
100
100
100
98
100
98
100
100
100

Pressure (mb)

1018
1018
1018
1017
1017
1016
1016
1015
1014
1014
1013
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011

Ozone (du)

275
274
275
275
274
274
272
271
271
269
268
268
269
271
272
272
272
272
272
272
271
271
271
270

Tuesday 23

Waxing Crescent 4%

08:41

19:19

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:47, Set: 18:52, Transit: 12:50. Moon - Rise: 08:41, Set: 19:19. Civil Dark: 19:22 - 06:18. Nautical Dark: 19:57 - 05:44. Astro Dark: 20:33 - 05:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
96
94
96
98
100
100
100
100
97
98
98
97
97
95
97
98
100
100

Low Clouds (% Sky Obscured)

94
90
88
85
82
84
87
89
87
85
82
82
81
80
83
86
88
83
78
73
73
73
72
67

Medium Clouds (% Sky Obscured)

59
73
71
74
64
55
47
52
55
75
84
86
89
91
75
59
42
36
30
24
47
67
80
56

High Clouds (% Sky Obscured)

50
31
54
78
100
78
59
39
75
88
98
99
99
100
90
80
70
67
69
74
87
86
81
72

ISS Passover

Visibility (miles)

3
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
None
None
None
None
Very Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

57
38
40
44
50
55
54
58
68
76
81
71
58
37
38
29
1
4
7
3
10
13
12
18

Precipitation Amount (mm)

0.2
0
0
0
0
0.2
0
0.2
0.3
0.4
0.5
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
4
4
4
4
4
5
5
5
6
6
5
4
4
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

16
17
17
18
18
19
19
19
19
18
18
17
17
17
16
16
16
16
15
15
14
14
14
14

Feels Like (°C)

17
17
17
18
18
18
19
20
20
20
19
20
19
19
18
17
17
16
16
16
16
14
14
14

Dew Point (°C)

16
16
16
16
16
16
16
16
16
16
16
17
16
16
15
15
15
15
14
14
14
14
14
14

Relative Humidity (%)

98
96
96
90
83
78
80
81
82
86
90
95
95
95
95
95
96
95
95
96
96
96
96
95

Pressure (mb)

1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1015
1015
1015
1015
1016
1016
1016
1017
1017

Ozone (du)

270
270
270
269
269
268
268
268
268
268
269
269
270
271
273
272
272
271
271
271
271
272
273
273

Wednesday 24

Waxing Crescent 8%

09:48

19:38

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:49, Set: 18:50, Transit: 12:49. Moon - Rise: 09:48, Set: 19:38. Civil Dark: 19:20 - 06:19. Nautical Dark: 19:55 - 05:45. Astro Dark: 20:31 - 05:10

Total Clouds (% Sky Obscured)

100
100
99
98
97
95
92
90
92
94
96
95
96
98
95
94
90
79
67
55

Low Clouds (% Sky Obscured)

61
55
56
57
58
52
39
24
38
52
68
72
68
62
48
40
31
23
14
6

Medium Clouds (% Sky Obscured)

14
6
6
6
7
3
4
4
7
7
9
4
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

57
60
54
47
34
22
23
26
13
3
0
27
49
79
59
44
31
46
52
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

17
8
11
13
13
12
13
8
8
6
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
5
5
5
6
6
7
8
8
7
7
6
5
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

14
14
14
15
16
17
19
20
21
20
20
20
19
17
16
15
14
14
13
13

Feels Like (°C)

14
14
14
14
15
15
15
15
16
21
21
20
19
19
18
14
14
15
14
14

Dew Point (°C)

14
13
13
14
14
14
14
13
13
13
13
14
13
12
11
12
11
12
12
12

Relative Humidity (%)

95
93
92
89
85
82
73
66
59
62
65
68
70
72
74
79
83
87
92
93

Pressure (mb)

1017
1018
1018
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

273
273
274
273
272
271
270
270
270
269
269
269
268
267
267
267
267
266
266
266

Forecast for Mont-Tremblant, Laurentides, Canada (46.18,-74.57)

Generated: 18/09/25 06:40:03. Forecast: 18/09/25 to 24/09/25. Timezone: UTC-4.00