Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 23

Waxing Crescent 17%

12:18

No Set

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
17 Bad
18 Bad

Sun - Rise: 08:15, Set: 17:00, Transit: 12:38. Moon - Rise: 12:18, Set: No Set. Civil Dark: 17:36 - 07:39. Nautical Dark: 18:15 - 07:00. Astro Dark: 18:53 - 06:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
69
85
87
93
78
60
44
42
47
100
100
74

Low Clouds (% Sky Obscured)

67
47
63
29
34
43
45
46
47
57
49
51
54
61
66
85
64
60
44
42
38
64
83
63

Medium Clouds (% Sky Obscured)

99
99
91
100
100
100
100
100
100
100
100
100
40
55
55
18
48
45
2
2
9
57
67
65

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
2
25

ISS Passover

Visibility (miles)

0
2
2
3
9
9
9
9
9
9
9
9
9
9
7
9
9
6
6
7
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
Light Rain
None

Precipitation Probability (%)

5
0
0
0
1
1
0
0
0
10
19
9
17
34
18
14
23
35
33
20
2
8
55
50

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
0.5
0

Wind Speed/Direction (mph)

6
6
5
5
5
6
6
6
6
7
8
9
9
9
9
9
10
10
11
10
9
10
10
10

Chance of Frost

Temperature (°C)

7
7
7
6
6
6
6
6
6
6
6
6
6
6
6
6
8
9
9
10
10
9
8
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
94
91
90
90
90
90
90
90
86
90
90
88
84
80
72
67
64
66
70
70

Pressure (mb)

1003
1003
1003
1002
1002
1002
1002
1001
1001
1000
999
999
998
998
998
998
997
996
996
995
995
994
995
995

Ozone (du)

264
264
264
264
262
263
267
270
274
277
278
280
284
289
293
300
304
304
306
309
308
307
306
307

Monday 24

Waxing Crescent 25%

12:48

19:59

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
17 Bad
18 OK

Sun - Rise: 08:16, Set: 16:59, Transit: 12:38. Moon - Rise: 12:48, Set: 19:59. Civil Dark: 17:35 - 07:41. Nautical Dark: 18:15 - 07:01. Astro Dark: 18:53 - 06:23

Total Clouds (% Sky Obscured)

100
86
82
92
77
83
77
65
83
96
87
93
91
90
93
79
68
59
48
35
47
51
46
46

Low Clouds (% Sky Obscured)

90
74
71
86
64
70
64
45
69
90
79
83
79
81
87
66
59
56
46
32
45
47
41
43

Medium Clouds (% Sky Obscured)

100
76
57
37
19
28
26
24
27
47
56
54
73
58
61
74
54
3
2
27
30
2
3
1

High Clouds (% Sky Obscured)

20
30
35
20
6
0
0
20
10
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
9
9
9
9
8
9
9
9
9
9
9
9
3
9
9
7
9
9
5
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
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

45
46
26
32
35
32
32
27
26
33
32
24
53
59
20
30
32
31
54
50
24
3
11
2

Precipitation Amount (mm)

0
0.3
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
9
6
5
5
7
11
11
10
10
9
10
12
12
13
13
15
14
18
18
16
14
13
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
4
4
4
3
2
2
1
1
2
2
3
2
2
2
3
4
3
3
4
3
3
2

Dew Point (°C)

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

Relative Humidity (%)

82
82
84
84
85
90
86
85
80
83
85
79
81
88
84
75
79
84
82
87
81
81
78
76

Pressure (mb)

995
995
996
996
997
998
999
1000
1001
1001
1002
1003
1004
1005
1006
1007
1008
1008
1008
1009
1010
1011
1012
1013

Ozone (du)

310
312
316
315
317
319
325
316
312
309
307
307
309
310
310
306
307
309
308
309
309
308
309
308

Tuesday 25

Waxing Crescent 34%

13:11

21:11

19 OK
20 OK
21 OK
22 OK
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 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:18, Set: 16:59, Transit: 12:38. Moon - Rise: 13:11, Set: 21:11. Civil Dark: 17:34 - 07:42. Nautical Dark: 18:14 - 07:02. Astro Dark: 18:52 - 06:24

Total Clouds (% Sky Obscured)

42
38
44
35
47
59
58
48
65
65
67
77
74
48
61
66
78
83
87
93
98
100
97
88

Low Clouds (% Sky Obscured)

42
38
44
35
47
59
58
48
65
65
67
77
74
48
45
52
63
72
63
54
45
42
39
37

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
0
0
0
0
0
0
0
7
6
7
8
17
16
24
33
34
32

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
12
25
38
49
60
68
80

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
1
1
2
2
0
0
0
0
0
0
0
0
0
3
16
1
5
19
19
16
18
5
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
10
9
8
7
7
6
5
5
5
5
4
4
5
5
5
6
7
7
7
6
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
2
2
2
2
2
2
2
2
2
1
2
2
2
2
3
4
6
6
5
5
3
3

Dew Point (°C)

2
2
1
1
1
2
1
2
1
1
1
1
1
1
1
2
3
3
2
1
2
2
1
2

Relative Humidity (%)

76
79
80
83
85
86
86
88
88
88
88
86
86
85
85
82
81
75
66
63
64
65
70
75

Pressure (mb)

1014
1015
1016
1017
1017
1017
1018
1018
1019
1019
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1023

Ozone (du)

315
315
311
311
310
310
308
305
304
305
303
301
300
300
298
297
297
296
296
295
296
296
294
296

Wednesday 26

Waxing Crescent 44%

13:29

22:26

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
17 Bad
18 Bad

Sun - Rise: 08:19, Set: 16:58, Transit: 12:39. Moon - Rise: 13:29, Set: 22:26. Civil Dark: 17:34 - 07:43. Nautical Dark: 18:13 - 07:04. Astro Dark: 18:52 - 06:26

Total Clouds (% Sky Obscured)

88
89
79
97
100
100
99
99
97
99
97
96
97
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

37
38
39
26
13
0
25
50
75
81
87
93
95
98
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

31
35
35
47
53
59
86
87
74
87
87
84
79
90
100
100
100
65
62
55
52
49
80
84

High Clouds (% Sky Obscured)

88
89
79
97
100
100
99
99
97
66
39
17
30
39
47
46
53
56
59
41
38
66
78
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
9
9
8
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
6
10
12
25
32
45
53
56
67
76
61
44
38
33
21
19
18
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5

Feels Like (°C)

4
3
3
4
3
2
2
2
2
3
2
2
1
1
1
1
1
1
2
1
1
2
2
2

Dew Point (°C)

1
1
2
1
2
2
2
2
2
2
2
2
2
2
1
1
2
3
3
3
3
3
3
3

Relative Humidity (%)

79
80
82
82
83
82
83
83
85
85
85
85
85
82
78
78
83
86
85
85
85
85
83
82

Pressure (mb)

1023
1023
1024
1024
1024
1023
1023
1023
1023
1023
1023
1022
1022
1022
1023
1022
1022
1022
1021
1021
1021
1021
1021
1021

Ozone (du)

295
295
294
294
295
295
293
293
291
288
286
285
284
281
280
278
278
278
277
276
275
274
274
273

Thursday 27

Waxing Crescent 41%

13:45

23:42

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
17 Bad
18 Bad

Sun - Rise: 08:21, Set: 16:57, Transit: 12:39. Moon - Rise: 13:45, Set: 23:42. Civil Dark: 17:33 - 07:44. Nautical Dark: 18:13 - 07:05. Astro Dark: 18:51 - 06:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
98
98
99
100
100
99
99
98
99
99
100
99
98
96

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
97
94
92
93
93
93
93
93
93
91
89
86
75
61
49

Medium Clouds (% Sky Obscured)

83
97
93
89
92
96
98
100
100
96
92
89
88
91
95
92
92
92
71
46
22
21
26
30

High Clouds (% Sky Obscured)

64
42
11
13
14
13
35
59
84
72
58
47
62
80
100
92
83
75
82
89
96
97
98
96

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
4
4
4
4
6
8
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
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

15
11
1
17
45
58
72
81
66
43
41
56
72
80
92
86
75
47
34
20
5
9
8
1

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.4
0.7
0.3
0
0
0.2
0.4
0.5
0.7
0.6
0.4
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
5
6
6
6
6
6
6
7
6
7
7
7
7
7
8
8
9
9
10
10
9
9

Feels Like (°C)

2
2
2
2
2
3
3
3
3
4
4
4
3
3
4
4
4
4
4
7
8
8
8
9

Dew Point (°C)

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

Relative Humidity (%)

82
82
82
83
83
85
86
88
88
90
90
90
93
94
94
96
95
93
93
93
93
90
93
93

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1019
1020
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

272
273
273
273
273
272
272
271
271
270
268
267
267
268
269
270
272
273
275
276
278
279
279
279

Friday 28

First Quarter 55%

14:00

00:59

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
17 Bad
18 Bad

Sun - Rise: 08:22, Set: 16:57, Transit: 12:39. Moon - Rise: 14:00, Set: 00:59. Civil Dark: 17:33 - 07:46. Nautical Dark: 18:13 - 07:06. Astro Dark: 18:51 - 06:28

Total Clouds (% Sky Obscured)

95
92
89
88
83
75
82
88
96
95
95
96
97
98
99
99
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
60
75
71
68
68
72
76
76
86
91
96
97
98
99
99
99
100
99
99
100
100
100
100

Medium Clouds (% Sky Obscured)

27
23
33
15
5
0
5
10
15
15
13
11
17
23
25
45
61
76
84
92
100
93
87
83

High Clouds (% Sky Obscured)

81
62
44
29
15
0
2
7
23
31
33
29
28
24
23
31
37
38
61
79
96
86
77
72

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
3
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

6
7
6
8
7
2
2
2
0
0
0
0
0
0
0
11
22
34
70
95
95
95
95
85

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
1.2
1.1
0.9
0.5

Wind Speed/Direction (mph)

2
2
2
2
2
3
3
3
4
4
4
5
5
6
8
9
9
9
9
10
9
9
6
3

Chance of Frost

Temperature (°C)

8
8
8
8
7
7
7
7
6
6
6
6
6
6
6
7
7
7
8
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
95
94
94
96
96
96
96
96
96
96
96
93
88
87
85
82
82
85
88
91
90
87

Pressure (mb)

1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1014
1013
1012
1011
1011
1011

Ozone (du)

278
280
282
283
285
286
288
288
288
289
290
291
292
294
297
299
301
303
305
307
309
310
314
318

Saturday 29

Waxing Gibbous 66%

14:15

02:17

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

Sun - Rise: 08:23, Set: 16:56, Transit: 12:40. Moon - Rise: 14:15, Set: 02:17. Civil Dark: 17:32 - 07:47. Nautical Dark: 18:12 - 07:07. Astro Dark: 18:50 - 06:29

Total Clouds (% Sky Obscured)

96
92
90
91
94
95
100
100
96
93
85
80
76
71
65
74
85
93

Low Clouds (% Sky Obscured)

94
89
86
83
80
77
81
84
88
84
81
77
76
71
65
74
85
93

Medium Clouds (% Sky Obscured)

62
41
18
26
27
30
20
15
10
5
5
5
5
8
11
16
21
23

High Clouds (% Sky Obscured)

67
61
55
44
37
36
32
22
15
12
9
5
7
7
8
8
5
1

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

64
42
13
8
6
7
11
18
22
34
46
50
55
57
57
59
58
54

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
7
7
7
7
7
6
6
6
6
7
6
7
7
7
7
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
90
90
90
88
87
86
87
86
88
88
90
87
87
84
79
75

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013
1014
1014
1014

Ozone (du)

321
327
332
338
337
336
336
336
336
336
337
338
339
338
336
334
331
328

Forecast for Butry-sur-Oise, Val d'Oise, France (49.09,2.20)

Generated: 23/11/25 19:13:21. Forecast: 23/11/25 to 29/11/25. Timezone: UTC+1.00