Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 19

Waning Crescent 0%

08:46

16:05

21 Bad
22 Bad
23 Bad
00 OK
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
19 Bad
20 Bad

Sun - Rise: 08:09, Set: 16:41, Transit: 12:25. Moon - Rise: 08:46, Set: 16:05. Civil Dark: 17:19 - 07:31. Nautical Dark: 18:01 - 06:49. Astro Dark: 18:41 - 06:09

Total Clouds (% Sky Obscured)

93
100
100
38
95
100
96
99
97
96
97
98
100
100
100
100
100
100
99
92
90
84
99
77

Low Clouds (% Sky Obscured)

45
40
35
33
22
12
0
21
19
25
22
23
26
38
67
60
77
27
30
29
19
33
26
35

Medium Clouds (% Sky Obscured)

72
100
62
23
92
71
74
95
72
50
58
76
100
100
100
100
100
100
99
87
72
60
89
42

High Clouds (% Sky Obscured)

6
3
3
5
5
2
0
9
37
20
49
22
3
23
100
39
100
55
28
10
9
5
2
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
7
9
9
8
9
8
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 (%)

24
16
6
7
9
7
7
7
8
12
11
10
5
8
28
44
49
38
12
12
25
23
17
10

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
11
9
7
6
5
5
4
4
4
4
4
5
4
4
5
7
7
5
3
3
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
82
82
82
80
78
77
76
74
76
77
77
77
75
73
78
86
91
89
89
91
94
91

Pressure (mb)

1003
1003
1004
1004
1005
1005
1005
1006
1006
1006
1007
1007
1008
1009
1009
1009
1009
1009
1009
1009
1010
1010
1011
1012

Ozone (du)

331
330
325
319
321
318
317
320
321
323
320
317
315
314
313
314
317
319
326
329
334
335
335
335

Thursday 20

New Moon 2%

09:56

16:37

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

Sun - Rise: 08:11, Set: 16:39, Transit: 12:25. Moon - Rise: 09:56, Set: 16:37. Civil Dark: 17:18 - 07:32. Nautical Dark: 18:00 - 06:50. Astro Dark: 18:40 - 06:10

Total Clouds (% Sky Obscured)

46
61
100
85
91
86
73
67
69
79
62
10
26
12
20
15
15
5
0
0
0
0
0
7

Low Clouds (% Sky Obscured)

20
43
47
72
79
77
61
58
50
49
23
10
26
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

15
24
67
16
32
17
15
19
33
43
38
3
2
12
20
15
15
5
0
0
0
0
0
5

High Clouds (% Sky Obscured)

2
1
1
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
9
9
9
9
9
9
9

Fog (%)

2
52
59
67
63
66
66
63
52
6
2
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
91
89
91
91
93
94
94
92
94
92
91
86
82
79
77
77
82
85
88
89
89
87

Pressure (mb)

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

Ozone (du)

333
332
331
330
327
326
324
324
325
324
326
326
326
324
323
325
326
324
320
318
315
308
302
298

Friday 21

Waxing Crescent 5%

10:59

17:21

21 OK
22 Good
23 Good
00 Good
01 Good
02 OK
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
19 Bad
20 Bad

Sun - Rise: 08:12, Set: 16:38, Transit: 12:25. Moon - Rise: 10:59, Set: 17:21. Civil Dark: 17:17 - 07:34. Nautical Dark: 17:59 - 06:52. Astro Dark: 18:39 - 06:11

Total Clouds (% Sky Obscured)

15
0
0
3
4
22
42
81
88
77
91
82
71
49
95
98
96
95
93
89
84
83
79
71

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
1
1
1
15
4
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

12
0
0
3
4
6
4
66
62
53
47
49
22
22
58
98
96
94
84
81
84
83
79
23

High Clouds (% Sky Obscured)

1
0
0
0
0
17
39
67
66
56
86
58
48
27
87
25
20
30
30
42
68
78
61
71

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
1
1
0
1
1
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)

6
6
6
7
7
7
7
8
8
8
8
8
8
8
10
12
12
12
11
11
10
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
89
91
91
91
91
92
91
92
94
96
96
91
83
80
79
77
77
79
86
86
88
89

Pressure (mb)

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

Ozone (du)

296
292
292
291
289
288
284
282
280
282
283
284
278
266
263
263
265
274
285
288
289
291
292
291

Saturday 22

Waxing Crescent 10%

11:48

18:19

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
19 Bad
20 Bad

Sun - Rise: 08:14, Set: 16:37, Transit: 12:26. Moon - Rise: 11:48, Set: 18:19. Civil Dark: 17:16 - 07:35. Nautical Dark: 17:58 - 06:53. Astro Dark: 18:38 - 06:13

Total Clouds (% Sky Obscured)

56
75
87
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
96
93
87

Low Clouds (% Sky Obscured)

0
0
1
1
0
0
0
0
0
0
27
53
80
87
93
100
96
91
88
89
90
90
86
82

Medium Clouds (% Sky Obscured)

39
49
39
13
26
37
54
68
100
100
100
100
100
99
99
98
99
99
100
96
92
88
34
19

High Clouds (% Sky Obscured)

51
71
83
98
100
100
100
100
100
100
100
100
100
75
49
24
16
8
5
5
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
0
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
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
5
11
14
36
49
74
89
95
95
85
95
79
40
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.4
0.6
1.1
0.7
0.4
0.8
0.4
0
0

Wind Speed/Direction (mph)

11
11
12
12
12
12
12
12
13
13
13
14
15
16
16
16
17
17
17
17
16
15
15
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
89
87
86
81
81
78
75
68
65
61
58
53
52
55
84
96
98
98
98
98
98
98

Pressure (mb)

1019
1018
1017
1016
1015
1014
1013
1012
1012
1010
1009
1008
1008
1007
1006
1004
1003
1002
1001
1000
999
999
998
998

Ozone (du)

288
286
285
284
281
277
276
278
278
276
276
276
276
277
277
275
275
275
274
274
278
278
281
281

Sunday 23

Waxing Crescent 16%

12:25

19:28

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
19 Bad
20 Bad

Sun - Rise: 08:16, Set: 16:36, Transit: 12:26. Moon - Rise: 12:25, Set: 19:28. Civil Dark: 17:15 - 07:37. Nautical Dark: 17:57 - 06:54. Astro Dark: 18:38 - 06:14

Total Clouds (% Sky Obscured)

83
79
73
71
78
85
95
96
98
99
99
99
99
99
99
99
98
95
92
90
91
92
92
91

Low Clouds (% Sky Obscured)

75
72
71
69
72
76
79
82
86
88
97
96
94
94
92
82
74
73
74
61
49
37
38
42

Medium Clouds (% Sky Obscured)

5
28
22
1
19
49
73
50
51
64
59
73
86
88
87
85
79
74
68
63
58
50
56
62

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
4
3
2
1
14
24
17
24
31

ISS Passover

Visibility (miles)

2
1
0
0
0
0
0
0
0
0
0
2
3
4
6
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
25
22
9
15
26
10
12
13
17
76
79
83
74
65
56
50
41
17
25
27
28
32
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.5
0.5
0.7
0.5
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
12
11
11
11
11
10
10
10
10
10
10
10
10
9
9
9
8
7
7
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
100
100
98
100
100
98
98
100
98
98
98
98
96
94
93
93
91
93
93
93
94
96

Pressure (mb)

998
998
998
997
997
997
997
997
997
996
996
996
997
997
997
997
997
997
998
998
998
999
999
1000

Ozone (du)

283
285
287
289
292
293
292
292
293
295
297
297
298
298
299
300
301
303
304
305
306
306
307
308

Monday 24

Waxing Crescent 25%

12:51

20:44

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
19 Bad
20 Bad

Sun - Rise: 08:17, Set: 16:35, Transit: 12:26. Moon - Rise: 12:51, Set: 20:44. Civil Dark: 17:14 - 07:38. Nautical Dark: 17:57 - 06:56. Astro Dark: 18:37 - 06:15

Total Clouds (% Sky Obscured)

89
89
90
91
90
92
91
80
69
59
65
70
78
81
78
77
82
86
92
92
93
93
92
91

Low Clouds (% Sky Obscured)

38
33
29
26
22
19
15
11
12
12
15
14
20
19
18
13
18
23
37
46
59
63
79
84

Medium Clouds (% Sky Obscured)

67
73
80
85
72
59
49
44
39
33
39
46
53
46
41
34
29
22
18
26
32
39
31
25

High Clouds (% Sky Obscured)

30
24
22
21
30
27
14
4
3
2
2
2
2
4
4
4
8
10
12
12
8
11
13
9

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 (%)

18
26
23
3
10
14
1
2
4
0
2
3
0
1
1
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
96
98
98
96
98
98
96
96
96
93
89
86
88
91
93
93
91
91
93

Pressure (mb)

1000
1001
1001
1001
1002
1002
1003
1003
1004
1004
1005
1005
1006
1007
1007
1007
1008
1008
1009
1009
1010
1011
1011
1012

Ozone (du)

309
310
311
312
313
313
313
313
314
315
316
318
319
320
317
314
311
310
309
308
309
311
312
315

Tuesday 25

Waxing Crescent 34%

13:11

No Set

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 Bad
10 OK
11 OK
12 Good

Sun - Rise: 08:19, Set: 16:34, Transit: 12:27. Moon - Rise: 13:11, Set: No Set. Civil Dark: 17:13 - 07:40. Nautical Dark: 17:56 - 06:57. Astro Dark: 18:36 - 06:17

Total Clouds (% Sky Obscured)

92
90
89
88
66
39
10
10
10
10
22
34
45
35
21
7

Low Clouds (% Sky Obscured)

89
78
67
59
45
26
9
7
4
1
14
26
39
26
13
1

Medium Clouds (% Sky Obscured)

15
21
27
32
27
22
10
10
10
10
22
34
45
33
19
3

High Clouds (% Sky Obscured)

2
2
3
4
28
39
10
10
10
10
22
34
40
31
17
7

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
1
0
0
1
0
0
1
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-2
-4
-4
-4
-3
-3

Dew Point (°C)

1
1
1
1
1
0
-1
-1
-1
-1
-1
-1
-1
-1
0
1

Relative Humidity (%)

93
93
93
94
94
94
92
91
92
92
92
91
91
89
86
82

Pressure (mb)

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

Ozone (du)

317
319
318
316
315
314
314
314
315
317
318
320
322
325
325
325

Forecast for Utrecht, Gemeente Utrecht, Netherlands (52.09,5.12)

Generated: 19/11/25 20:31:36. Forecast: 19/11/25 to 25/11/25. Timezone: UTC+1.00