Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 22

Waxing Crescent 5%

10:58

17:19

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: 08:12, Set: 16:37, Transit: 12:24. Moon - Rise: 10:58, Set: 17:19. Civil Dark: 17:16 - 07:33. Nautical Dark: 17:58 - 06:51. Astro Dark: 18:38 - 06:10

Total Clouds (% Sky Obscured)

47
52
66
100
100
100
84
67
46
89
74
78
94
91
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
1
1
11
28
28
1
0
0
0
0
1
0
1
8
10
1
43
79
84
87
93
96
92

Medium Clouds (% Sky Obscured)

47
52
66
100
99
63
57
67
46
89
57
75
92
85
97
84
99
94
85
100
93
100
98
100

High Clouds (% Sky Obscured)

47
52
66
100
100
100
65
35
2
26
9
26
79
74
100
100
100
100
100
100
92
100
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
5
4
2
2

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
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
6
9
13
32
47
69
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.4
0.8
0.8

Wind Speed/Direction (mph)

8
9
9
11
11
13
13
14
14
13
13
13
14
14
14
14
14
14
14
14
15
14
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-0
-1
-2
-2
-3
-3
-2
-2
-2
-3
-3
-4
-4
-5
-5
-6
-6
-6
-7
-8
-9
-10
-9
-7

Relative Humidity (%)

89
86
86
84
80
74
70
68
67
64
65
68
65
65
63
61
61
59
57
52
48
47
52
62

Pressure (mb)

1025
1025
1025
1025
1025
1025
1024
1023
1022
1021
1021
1020
1019
1018
1018
1017
1017
1016
1015
1014
1014
1013
1012
1011

Ozone (du)

267
267
267
262
253
251
256
263
266
268
272
275
278
280
274
275
278
277
274
267
266
263
265
263

Sunday 23

Waxing Crescent 10%

11:48

18:17

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: 08:13, Set: 16:36, Transit: 12:25. Moon - Rise: 11:48, Set: 18:17. Civil Dark: 17:15 - 07:34. Nautical Dark: 17:57 - 06:52. Astro Dark: 18:37 - 06:12

Total Clouds (% Sky Obscured)

100
100
96
98
100
98
100
100
100
100
100
100
100
96
95
96
100
99
76
63
81
76
80
78

Low Clouds (% Sky Obscured)

93
100
89
95
100
96
100
89
86
100
100
100
100
96
95
96
96
93
75
63
58
71
80
78

Medium Clouds (% Sky Obscured)

100
53
33
59
49
31
34
86
100
82
100
67
1
15
27
16
52
58
33
6
55
42
45
50

High Clouds (% Sky Obscured)

100
8
2
0
0
5
0
31
100
85
0
10
3
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
8
3
0
0
5
9
9
9
9
3
0
1
9
9
8
9
5
9
9
9
9
8
4

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

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

Precipitation Probability (%)

69
33
30
27
19
7
1
1
10
95
95
95
22
28
28
30
36
28
17
7
11
27
52
54

Precipitation Amount (mm)

0.4
0
0
0
0
0
0
0
0
0.7
2.2
0.6
0
0
0
0
0
0
0
0
0
0
0.3
0.3

Wind Speed/Direction (mph)

17
17
17
17
17
17
16
16
16
16
16
17
15
13
12
12
12
12
12
12
11
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
71
73
92
94
94
89
91
88
88
93
98
98
98
94
91
93
93
93
94
94
94
94
94

Pressure (mb)

1010
1009
1008
1008
1007
1006
1004
1003
1001
1000
998
997
996
996
996
995
995
995
995
995
994
994
993
993

Ozone (du)

265
269
269
269
269
267
266
266
268
271
274
275
284
286
286
285
285
288
289
292
293
292
293
292

Monday 24

Waxing Crescent 16%

12:24

19:27

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: 08:15, Set: 16:35, Transit: 12:25. Moon - Rise: 12:24, Set: 19:27. Civil Dark: 17:14 - 07:36. Nautical Dark: 17:56 - 06:54. Astro Dark: 18:37 - 06:13

Total Clouds (% Sky Obscured)

82
81
86
93
100
89
96
100
100
100
100
98
92
78
88
78
93
93
96
96
96
96
78
93

Low Clouds (% Sky Obscured)

82
81
85
92
100
87
92
100
96
85
73
61
66
68
84
67
83
84
90
90
89
89
78
84

Medium Clouds (% Sky Obscured)

16
7
4
38
40
33
43
60
59
100
100
96
86
64
5
0
15
28
30
29
31
30
42
49

High Clouds (% Sky Obscured)

0
0
0
1
5
8
0
0
6
60
38
23
8
6
6
18
16
22
11
9
4
0
0
0

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
8
9
9
9
9
9
8
7
9
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
20
27
22
24
20
27
35
26
35
28
21
22
28
30
26
31
28
27
27
25
21
16
19

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)

13
13
12
12
12
11
11
11
11
10
9
10
6
7
9
9
9
10
10
9
8
8
5
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
93
94
94
93
94
94
93
90
88
86
83
82
82
86
83
82
82
77
79
80

Pressure (mb)

993
993
993
993
993
993
993
993
993
993
993
994
995
995
996
997
998
998
999
1000
1000
1001
1001
1002

Ozone (du)

289
290
294
296
297
298
299
299
299
299
301
303
306
308
308
308
308
308
311
312
315
316
318
315

Tuesday 25

Waxing Crescent 25%

12:51

20:43

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

Sun - Rise: 08:16, Set: 16:34, Transit: 12:25. Moon - Rise: 12:51, Set: 20:43. Civil Dark: 17:13 - 07:37. Nautical Dark: 17:55 - 06:55. Astro Dark: 18:36 - 06:14

Total Clouds (% Sky Obscured)

84
87
83
86
84
81
76
51
27
5
0
0
0
0
5
10
15
15
20
20
30
29
49
52

Low Clouds (% Sky Obscured)

77
79
76
77
79
79
76
51
27
5
0
0
0
0
5
10
10
10
10
10
15
23
45
48

Medium Clouds (% Sky Obscured)

55
38
33
33
18
50
51
51
27
5
0
0
0
0
2
2
0
0
0
0
0
0
0
0

High 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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
9
5
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
Light Rain
None
Light Rain
None
None
None
None

Precipitation Probability (%)

14
17
17
10
9
12
13
11
11
4
2
3
3
19
14
34
40
50
34
45
32
11
19
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0.4
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
77
76
76
75
71
66
64
64
67
71
75
80
85
83
89
93
93
94
94
93
94
88
91

Pressure (mb)

1003
1003
1004
1005
1006
1007
1007
1008
1009
1009
1010
1011
1011
1012
1013
1013
1014
1015
1015
1015
1016
1016
1017
1017

Ozone (du)

314
309
306
305
302
304
306
310
312
311
311
313
312
311
308
309
312
315
316
315
314
316
315
313

Wednesday 26

Waxing Crescent 34%

13:10

22:02

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
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: 08:18, Set: 16:33, Transit: 12:25. Moon - Rise: 13:10, Set: 22:02. Civil Dark: 17:12 - 07:39. Nautical Dark: 17:55 - 06:56. Astro Dark: 18:35 - 06:16

Total Clouds (% Sky Obscured)

57
78
78
78
78
75
72
61
48
42
54
65
77
94
97
100
100
100
100
97
94
88
88
92

Low Clouds (% Sky Obscured)

57
74
74
73
72
69
67
56
45
42
50
52
58
40
43
47
60
70
66
42
39
31
32
28

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
11
21
27
17
25
23
19
14
24
23
27
26
31
36

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
3
2
1
0
62
79
96
97
99
100
97
94
85
86
85

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

Precipitation Probability (%)

17
1
4
2
2
2
2
0
2
2
1
1
0
1
1
0
26
41
58
73
79
80
82
80

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.5
0.5
0.6
0.5

Wind Speed/Direction (mph)

4
4
4
3
3
3
4
4
5
4
4
4
4
3
4
5
6
6
7
8
9
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
83
82
82
77
75
72
67
67
67
72
72
73
75
77
80
80
82
83
86
89
93
93

Pressure (mb)

1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1021
1021
1020
1020
1020
1020
1019
1019
1019
1018
1018
1017

Ozone (du)

310
309
310
306
306
305
302
300
300
301
303
302
302
302
302
303
303
302
300
299
297
296
295
294

Thursday 27

Waxing Crescent 44%

13:25

23:22

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: 08:19, Set: 16:32, Transit: 12:26. Moon - Rise: 13:25, Set: 23:22. Civil Dark: 17:11 - 07:40. Nautical Dark: 17:54 - 06:58. Astro Dark: 18:35 - 06:17

Total Clouds (% Sky Obscured)

92
97
98
100
100
100
100
100
100
100
100
100
100
99
99
98
98
98
99
99
99
99
99
100

Low Clouds (% Sky Obscured)

34
20
22
27
54
78
99
99
100
100
100
100
100
99
98
98
98
98
99
99
97
94
94
96

Medium Clouds (% Sky Obscured)

37
52
70
88
91
93
97
98
99
100
90
80
65
69
63
58
58
59
62
68
80
91
91
92

High Clouds (% Sky Obscured)

87
89
91
94
84
69
55
71
82
93
76
56
36
45
59
72
65
59
52
54
54
57
71
86

ISS Passover

Visibility (miles)

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

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

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

Precipitation Probability (%)

87
79
66
49
42
32
18
37
44
43
47
52
50
49
45
34
30
29
22
20
13
5
9
10

Precipitation Amount (mm)

0.6
0.5
0.3
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)

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

Chance of Frost

Temperature (°C)

3
2
3
3
4
5
5
6
6
6
6
6
6
7
7
7
8
8
8
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

2
2
2
1
2
2
3
3
3
4
4
5
4
5
5
6
6
7
7
8
8
9
9
9

Relative Humidity (%)

94
94
91
86
83
83
83
83
85
86
88
88
87
87
87
88
88
90
93
96
96
98
98
96

Pressure (mb)

1017
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

293
291
290
288
286
285
284
282
281
280
279
278
277
275
275
274
274
274
273
273
272
272
271
271

Friday 28

First Quarter 55%

13:37

00:42

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

Sun - Rise: 08:21, Set: 16:31, Transit: 12:26. Moon - Rise: 13:37, Set: 00:42. Civil Dark: 17:11 - 07:42. Nautical Dark: 17:53 - 06:59. Astro Dark: 18:34 - 06:18

Total Clouds (% Sky Obscured)

100
99
98
97
96
95
95
97
98
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

99
96
94
91
89
89
88
93
97
100
100
100
100
98
96
94
92
89
86

Medium Clouds (% Sky Obscured)

91
92
93
94
91
88
84
85
88
90
93
95
97
98
99
100
100
99
99

High Clouds (% Sky Obscured)

100
80
65
48
38
46
44
54
45
35
53
75
100
76
53
34
53
76
91

ISS Passover

Visibility (miles)

8
9
9
8
8
8
9
9
9
9
9
8
7
6
5
5
5
3
2

Fog (%)

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

Precipitation Probability (%)

9
18
25
28
40
37
24
32
33
32
43
54
59
72
92
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.4
0.7
1
1.2
1.5
1.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
11
11
11
11
11
11
11
11
11
11
10
10
10

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
9
10
10
10
10
11
11
11
10
11
11
10
10
10
10

Relative Humidity (%)

96
95
93
95
95
95
96
96
96
98
98
98
98
100
100
98
98
98
98

Pressure (mb)

1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015

Ozone (du)

271
272
273
273
274
274
275
275
275
275
275
275
275
275
276
276
277
278
278

Forecast for Amersfoort, Gemeente Amersfoort, Netherlands (52.16,5.39)

Generated: 22/11/25 06:15:02. Forecast: 22/11/25 to 28/11/25. Timezone: UTC+1.00