Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 28%

23:28

No Set

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
06 Bad
07 Bad
08 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK
16 OK

Sun - Rise: 06:25, Set: 19:00, Transit: 12:41. Moon - Rise: 23:28, Set: No Set. Civil Dark: 19:34 - 05:51. Nautical Dark: 20:15 - 05:10. Astro Dark: 20:59 - 04:26

Total Clouds (% Sky Obscured)

94
100
82
80
78
88
94
92
98
90
90
93
92
89
70
47
60
96
100
100
99
25
24
23

Low Clouds (% Sky Obscured)

50
55
57
48
39
42
39
33
30
28
28
24
10
6
0
0
6
33
29
11
19
9
9
11

Medium Clouds (% Sky Obscured)

5
2
2
2
22
11
4
17
32
46
29
28
50
24
42
11
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

56
100
82
80
16
41
88
81
98
65
88
80
90
89
70
47
60
92
100
98
99
25
24
19

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)

10
8
6
5
3
3
3
4
4
4
4
3
3
4
4
4
6
9
11
12
13
13
13
13

Chance of Frost

Temperature (°C)

14
13
12
11
10
9
9
9
9
9
8
8
8
8
8
10
12
14
16
17
18
19
19
19

Feels Like (°C)

12
11
10
9
8
10
9
7
7
7
7
7
7
6
6
8
10
11
13
13
14
14
15
17

Dew Point (°C)

6
7
8
8
8
7
7
7
7
7
7
6
6
6
6
7
7
7
7
8
8
9
9
9

Relative Humidity (%)

60
69
79
83
85
87
87
88
88
88
88
88
87
87
85
80
69
61
56
53
52
52
51
52

Pressure (mb)

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

Ozone (du)

277
277
276
276
276
275
273
272
271
271
270
270
270
270
270
270
269
268
267
267
266
266
266
266

Tuesday 16

Waning Crescent 18%

00:51

17:26

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

Sun - Rise: 06:26, Set: 18:58, Transit: 12:41. Moon - Rise: 00:51, Set: 17:26. Civil Dark: 19:32 - 05:52. Nautical Dark: 20:13 - 05:11. Astro Dark: 20:56 - 04:28

Total Clouds (% Sky Obscured)

9
53
14
16
43
61
58
60
57
44
62
54
49
75
53
67
68
56
65
49
44
39
45
57

Low Clouds (% Sky Obscured)

5
2
7
14
36
46
43
45
45
26
25
22
16
14
16
22
31
31
34
22
28
36
43
36

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
36
43
39
0
0
6
0
0
1
0

High Clouds (% Sky Obscured)

9
8
9
4
3
37
24
15
0
0
2
2
17
75
14
8
7
4
0
0
0
0
0
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
3
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
Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
7
14
30
40
49
34
51
39
8
2
3
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0.2
0.2
0
0
0
0

Wind Speed/Direction (mph)

11
9
7
7
7
7
7
7
7
7
7
7
7
7
7
8
10
11
14
16
16
17
17
16

Chance of Frost

Temperature (°C)

19
18
15
14
13
13
13
13
13
13
13
13
12
12
13
15
17
19
20
21
21
22
22
22

Feels Like (°C)

17
17
15
13
13
13
12
12
13
12
12
12
13
12
11
14
16
17
18
19
19
20
19
20

Dew Point (°C)

10
11
11
11
10
10
11
11
11
11
11
11
11
11
11
11
11
11
12
14
15
14
14
14

Relative Humidity (%)

57
64
76
80
83
84
86
86
89
89
90
90
92
92
90
80
67
59
59
65
65
61
59
60

Pressure (mb)

1019
1019
1019
1019
1019
1019
1018
1017
1017
1017
1016
1016
1015
1015
1014
1014
1013
1012
1011
1011
1010
1009
1009
1008

Ozone (du)

265
265
264
264
264
264
262
261
260
259
259
259
259
261
262
263
264
263
263
262
262
262
261
262

Wednesday 17

Waning Crescent 11%

02:16

17:49

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:28, Set: 18:55, Transit: 12:41. Moon - Rise: 02:16, Set: 17:49. Civil Dark: 19:30 - 05:54. Nautical Dark: 20:10 - 05:13. Astro Dark: 20:53 - 04:30

Total Clouds (% Sky Obscured)

51
82
77
80
91
94
98
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
75
54
43
47
68
82
94
82
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
39
21
57
48
47
65
94
77
100
68
65
75
54
54
0
0
0
46
5
8
6
3
0

High Clouds (% Sky Obscured)

7
8
11
20
20
20
22
23
9
87
18
8
10
52
0
4
22
65
65
65
65
8
5
0

ISS Passover

Visibility (miles)

7
4
3
4
9
9
9
9
6
4
3
0
0
0
3
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

54
63
86
95
95
88
95
95
95
89
37
30
14
5
14
16
15
8
27
31
31
32
36
43

Precipitation Amount (mm)

0
0.3
0.7
1.1
1.5
0.8
0.7
0.8
1.1
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
14
13
13
11
11
12
13
13
14
15
17
15
14
14
14
15
14
14
14
14
14
13
13

Chance of Frost

Temperature (°C)

22
20
19
17
17
16
16
16
16
15
14
13
10
9
9
8
8
8
8
8
8
8
8
8

Feels Like (°C)

19
18
16
16
16
15
14
13
12
12
10
8
6
5
4
4
4
3
3
3
3
3
3
2

Dew Point (°C)

14
16
16
15
15
15
15
15
15
14
13
12
10
9
8
7
7
7
7
7
6
5
5
5

Relative Humidity (%)

62
75
84
88
92
92
92
92
95
95
95
96
96
96
95
91
91
91
91
88
88
82
82
82

Pressure (mb)

1007
1007
1007
1008
1007
1007
1006
1005
1005
1005
1005
1005
1006
1007
1008
1008
1009
1009
1010
1010
1010
1010
1011
1011

Ozone (du)

262
262
262
264
265
266
266
266
266
268
273
275
275
276
280
282
284
286
287
287
287
288
289
291

Thursday 18

Waning Crescent 5%

03:39

18:05

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:30, Set: 18:53, Transit: 12:40. Moon - Rise: 03:39, Set: 18:05. Civil Dark: 19:27 - 05:56. Nautical Dark: 20:08 - 05:15. Astro Dark: 20:51 - 04:33

Total Clouds (% Sky Obscured)

100
100
100
99
99
98
98
98
98
99
99
99
98
97
96
96
99
87
100
99
98
91
82
80

Low Clouds (% Sky Obscured)

100
100
100
98
95
92
92
90
89
92
93
94
94
92
92
92
98
87
99
98
97
91
82
80

Medium Clouds (% Sky Obscured)

11
30
62
77
87
89
93
79
74
74
44
19
35
14
4
3
0
0
9
22
35
27
19
11

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
4
6
5
28
12
4
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
4
9
9
3
0
6
9
0
2
9
9
9
9
2
6
9
9
5
7
9
7

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
Snow
Snow

Precipitation Probability (%)

38
36
40
40
40
46
42
43
39
42
45
44
42
41
38
38
35
30
27
27
33
40
43
46

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
0.1
0.1

Wind Speed/Direction (mph)

13
12
12
11
11
11
11
10
10
10
10
10
10
11
12
12
13
13
14
15
15
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
1
1
1
1
-0
0
-1
-1
-1
-1
-2
-3
-2
-2
-3
-3
-2
-3
-3
-3
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

85
84
88
91
88
88
94
96
93
91
96
94
89
85
83
85
77
75
60
56
58
61
59
60

Pressure (mb)

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

Ozone (du)

295
302
308
313
315
316
317
316
316
316
314
314
315
317
319
323
325
327
327
328
329
331
333
334

Friday 19

Waning Crescent 1%

04:57

18:17

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

Sun - Rise: 06:31, Set: 18:51, Transit: 12:40. Moon - Rise: 04:57, Set: 18:17. Civil Dark: 19:25 - 05:57. Nautical Dark: 20:05 - 05:17. Astro Dark: 20:48 - 04:35

Total Clouds (% Sky Obscured)

81
73
75
86
95
98
99
80
33
79
89
83
45
93
100
98
96
94
79
64
50
55
60
65

Low Clouds (% Sky Obscured)

81
72
65
75
84
93
90
76
33
74
80
76
45
70
76
77
76
70
49
22
11
5
2
0

Medium Clouds (% Sky Obscured)

7
4
0
0
0
0
0
0
0
0
0
0
0
0
0
26
51
77
72
64
50
55
54
43

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
2
18
23
36
51
69
45
25
5
21
36
53

ISS Passover

Visibility (miles)

7
9
8
0
0
6
9
9
9
9
9
9
9
8
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 (%)

42
30
33
37
29
13
8
8
7
7
7
0
1
1
0
1
1
0
2
1
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)

15
13
11
8
9
9
10
10
10
10
10
10
9
9
10
11
11
12
12
12
12
13
12
12

Chance of Frost

Temperature (°C)

3
2
1
0
0
1
1
1
1
-0
-0
-1
-1
-2
-1
0
1
3
4
5
6
7
7
8

Feels Like (°C)

-4
-4
-5
-5
-5
-5
-5
-5
-4
-4
-4
-5
-5
-5
-5
-5
-5
-4
-4
-4
-4
-3
3
3

Dew Point (°C)

-3
-3
-3
-1
-1
-2
-3
-3
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-4
-4
-4
-5
-4
-4

Relative Humidity (%)

63
66
77
91
92
86
78
74
81
91
89
89
92
98
94
87
76
65
56
53
48
43
43
43

Pressure (mb)

1018
1019
1020
1020
1021
1021
1022
1022
1022
1023
1024
1024
1025
1025
1026
1026
1026
1026
1025
1025
1024
1023
1023
1022

Ozone (du)

334
336
335
333
331
327
321
315
313
308
304
301
300
301
300
301
300
299
299
297
296
295
293
291

Saturday 20

Waning Crescent 0%

06:13

18:27

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:33, Set: 18:48, Transit: 12:39. Moon - Rise: 06:13, Set: 18:27. Civil Dark: 19:22 - 05:59. Nautical Dark: 20:03 - 05:19. Astro Dark: 20:45 - 04:37

Total Clouds (% Sky Obscured)

75
84
94
89
85
84
73
73
73
88
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
4
5
6
23
40
58
70
83
92
92
92
94

Medium Clouds (% Sky Obscured)

47
59
70
63
56
46
34
24
14
35
61
81
84
86
87
85
88
90
88
94
100
100
100
100

High Clouds (% Sky Obscured)

64
75
86
83
80
77
58
39
15
43
71
99
99
99
99
98
97
97
98
99
99
97
91
82

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
8
7

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
2
3
6
9
8
25
33
40
63
79
91
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.6
0.9
1.2
1.7

Wind Speed/Direction (mph)

12
10
9
7
7
8
8
8
8
8
8
9
9
10
11
11
11
10
10
9
10
10
9
9

Chance of Frost

Temperature (°C)

8
7
5
4
4
3
2
2
2
2
3
3
4
4
5
5
6
6
7
7
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-4
-4
-3
-3
-3
-3
-2
-2
-2
-2
-2
-1
-1
-1
0
0
1
1
1
1
3
4

Relative Humidity (%)

43
47
53
58
61
65
69
70
72
73
72
69
68
68
67
67
66
65
64
64
64
64
70
78

Pressure (mb)

1022
1022
1022
1022
1022
1021
1021
1021
1020
1019
1019
1018
1017
1017
1017
1016
1016
1015
1014
1014
1013
1012
1012
1012

Ozone (du)

288
288
288
288
287
286
285
284
283
282
281
280
279
279
278
277
277
277
277
277
276
276
275
275

Sunday 21

New Moon 1%

07:27

18:36

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:35, Set: 18:46, Transit: 12:39. Moon - Rise: 07:27, Set: 18:36. Civil Dark: 19:20 - 06:01. Nautical Dark: 20:00 - 05:21. Astro Dark: 20:42 - 04:39

Total Clouds (% Sky Obscured)

99
99
98
99
99
99
99
98
98
92
86
77
84
91
99
96
93
89
89
89
90

Low Clouds (% Sky Obscured)

92
89
87
86
85
85
87
91
95
86
81
77
84
91
99
96
92
84
85
84
72

Medium Clouds (% Sky Obscured)

99
99
98
96
90
85
86
91
96
87
79
70
73
83
87
88
87
85
86
87
89

High Clouds (% Sky Obscured)

82
83
88
90
93
97
92
85
79
73
70
69
76
78
78
56
32
7
23
39
54

ISS Passover

Visibility (miles)

5
7
8
9
8
6
4
6
8
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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
83
69
66
61
54
57
56
52
57
60
78
49
45
47

Precipitation Amount (mm)

1.6
1.5
1.5
1.2
1.1
1.1
0.8
0.6
0.5
0.4
0.4
0.3
0.3
0.2
0
0.2
0.2
0.6
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
9
9
10
10
10
10
10
10
10
10
9
10
10
10
11
13
14
15
16

Feels Like (°C)

3
3
2
2
6
6
6
7
6
7
6
6
7
6
6
7
8
8
8
8
8

Dew Point (°C)

5
6
6
7
7
7
7
7
7
7
7
6
6
6
6
6
6
6
6
6
6

Relative Humidity (%)

85
84
82
82
82
81
80
80
80
80
81
80
80
78
77
76
70
64
58
56
53

Pressure (mb)

1011
1011
1010
1010
1009
1009
1009
1009
1009
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

275
274
274
273
273
273
273
274
274
275
275
275
275
275
275
276
275
274
274
274
274

Forecast for Nitchequon, Nord-du-Québec, Canada (52.48,-71.83)

Generated: 15/09/25 17:50:40. Forecast: 15/09/25 to 21/09/25. Timezone: UTC-4.00