Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waning Crescent 1%

08:45

15:21

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:40, Set: 16:30, Transit: 12:35. Moon - Rise: 08:45, Set: 15:21. Civil Dark: 17:10 - 08:00. Nautical Dark: 17:54 - 07:16. Astro Dark: 18:34 - 06:36

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
100
99
100
99
99
100
100
99
98
98
91
77
79
88
100
100
100

Low Clouds (% Sky Obscured)

91
93
87
86
92
96
99
91
79
75
53
38
31
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
93
91
95
97
98
82
97
98
90
92
84
46
99
66
45
68
56
45
53
57
54
77

High Clouds (% Sky Obscured)

100
100
100
100
100
100
10
24
51
36
52
91
100
100
75
58
93
48
19
26
54
100
100
100

ISS Passover

Visibility (miles)

7
7
9
9
6
7
4
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

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

Precipitation Probability (%)

71
70
68
68
87
94
95
81
51
28
29
13
6
2
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0.3
0.3
0.3
0.6
0.7
0.8
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
80
80
80
84
88
88
87
80
79
68
65
66
67
72
72
75
78
79
82
86
88
90
90

Pressure (mb)

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

Ozone (du)

272
285
300
315
321
314
308
309
313
318
323
325
334
335
336
341
341
344
339
326
319
311
302
294

Saturday 20

New Moon 0%

09:39

16:16

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:40, Set: 16:31, Transit: 12:35. Moon - Rise: 09:39, Set: 16:16. Civil Dark: 17:11 - 08:00. Nautical Dark: 17:54 - 07:17. Astro Dark: 18:35 - 06:36

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
5
22
21
24
47
61
66
66
48
49
71
79
81
68
54
53
59
55
48
49
63
51

Medium Clouds (% Sky Obscured)

65
68
65
65
69
92
97
97
97
98
98
99
98
98
98
97
99
92
94
91
87
86
73
70

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
55
100
100
100
100
100
97
100
100
100
100
98
97
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
4
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
43
68
100
66
76
86
71
57
7
2
1
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
2
0
4
16
26
33
50
50
29
10
3
4
12
17
9
9
12
12
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
91
89
89
89
88
83
78
81
84
85
87
93
93
90
91
91
93
95
93
95
93
95

Pressure (mb)

1020
1019
1019
1018
1018
1018
1018
1017
1017
1016
1015
1014
1013
1013
1012
1012
1011
1011
1011
1011
1011
1010
1010
1010

Ozone (du)

290
284
281
280
280
279
280
276
276
281
281
283
282
282
281
282
282
282
282
280
279
277
275
275

Sunday 21

Waxing Crescent 2%

10:20

17:22

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:41, Set: 16:31, Transit: 12:36. Moon - Rise: 10:20, Set: 17:22. Civil Dark: 17:11 - 08:01. Nautical Dark: 17:54 - 07:18. Astro Dark: 18:35 - 06:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
100
97
86
87
100
97
100
49
67
81
96
95
95
95
97
98

Low Clouds (% Sky Obscured)

59
50
47
34
31
21
20
23
60
45
40
35
30
25
25
25
15
15
9
20
22
24
32
43

Medium Clouds (% Sky Obscured)

82
81
94
82
65
41
33
57
71
76
67
84
76
61
54
49
67
78
77
76
81
81
85
90

High Clouds (% Sky Obscured)

100
100
100
100
100
100
98
95
100
66
49
74
48
49
99
43
56
74
90
87
86
87
91
96

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 (%)

2
4
17
4
11
4
16
21
28
2
14
35
25
32
15
8
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
91
91
90
91
91
90
90
88
87
84
78
78
76
77
74
74
74
75
75
75
75
76
76

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

276
277
277
279
282
279
277
279
283
289
295
305
314
317
319
319
317
318
320
323
326
328
332
339

Monday 22

Waxing Crescent 6%

10:50

18:36

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:41, Set: 16:32, Transit: 12:36. Moon - Rise: 10:50, Set: 18:36. Civil Dark: 17:12 - 08:01. Nautical Dark: 17:55 - 07:18. Astro Dark: 18:36 - 06:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
95
91
91
91
90
92
95
97
98
99
99
92
85
80
84
88

Low Clouds (% Sky Obscured)

54
60
66
72
72
72
72
77
82
86
87
87
87
85
84
79
81
76
79
78
77
69
68
63

Medium Clouds (% Sky Obscured)

94
90
92
94
45
100
100
87
47
16
4
4
4
26
42
31
42
51
36
48
29
45
5
3

High Clouds (% Sky Obscured)

100
100
100
100
97
94
90
72
54
32
27
22
17
33
49
66
75
84
94
65
40
23
23
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
75
76
79
79
82
82
79
78
75
72
72
75
79
80
82
85
85
86
86
86
88
89
91

Pressure (mb)

1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012

Ozone (du)

348
358
362
365
372
375
377
379
378
380
379
378
377
377
379
379
381
383
385
387
388
388
387
387

Tuesday 23

Waxing Crescent 12%

11:12

19:54

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:42, Set: 16:32, Transit: 12:37. Moon - Rise: 11:12, Set: 19:54. Civil Dark: 17:12 - 08:02. Nautical Dark: 17:56 - 07:18. Astro Dark: 18:36 - 06:38

Total Clouds (% Sky Obscured)

91
87
85
84
86
88
89
88
88
88
89
90
89
86
86
87
83
80
76
68
60
59
65
67

Low Clouds (% Sky Obscured)

65
62
60
57
58
55
60
55
51
42
39
36
37
42
56
65
83
80
76
68
60
57
59
59

Medium Clouds (% Sky Obscured)

3
3
3
3
3
3
35
60
60
65
65
65
74
53
26
1
1
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

14
8
2
0
0
0
5
5
5
5
5
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 (%)

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
1
2
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)

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

Chance of Frost

Temperature (°C)

4
4
4
3
3
3
3
4
4
5
5
5
5
5
5
4
4
4
4
4
4
4
4
3

Feels Like (°C)

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

Dew Point (°C)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1

Relative Humidity (%)

91
91
91
91
91
91
91
88
85
82
79
80
79
80
82
86
88
89
89
89
88
86
85
86

Pressure (mb)

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

Ozone (du)

386
383
382
383
383
381
380
380
380
380
380
379
378
377
376
376
375
376
377
378
379
379
379
381

Wednesday 24

Waxing Crescent 19%

11:28

21:12

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

Sun - Rise: 08:42, Set: 16:33, Transit: 12:37. Moon - Rise: 11:28, Set: 21:12. Civil Dark: 17:13 - 08:02. Nautical Dark: 17:56 - 07:19. Astro Dark: 18:37 - 06:38

Total Clouds (% Sky Obscured)

68
64
59
52
47
42
35
35
32
29
24
14
5
5
4
4
3
3
3
3
3
3
3
3

Low Clouds (% Sky Obscured)

57
55
53
51
47
40
35
35
32
29
22
13
4
4
3
2
1
1
1
1
2
2
2
2

Medium Clouds (% Sky Obscured)

2
1
1
1
1
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
2
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 (%)

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)

12
12
12
12
12
13
13
13
13
14
14
14
13
13
12
12
12
11
11
10
10
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
89
89
88
86
83
81
77
75
72
71
71
69
72
74
75
75
75
75
77
77
78
80

Pressure (mb)

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

Ozone (du)

382
383
387
391
395
394
392
390
391
391
391
386
381
375
372
368
364
363
363
363
361
360
358
353

Thursday 25

Waxing Crescent 28%

11:42

22:30

Sun - Rise: 08:42, Set: 16:34, Transit: 12:38. Moon - Rise: 11:42, Set: 22:30. Civil Dark: 17:14 - 08:02. Nautical Dark: 17:57 - 07:19. Astro Dark: 18:38 - 06:38

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Eindhoven, Gemeente Eindhoven, Netherlands (51.44,5.48)

Generated: 19/12/25 03:13:14. Forecast: 19/12/25 to 25/12/25. Timezone: UTC+1.00