Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 15

Waning Crescent 21%

02:40

14:52

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:00, Set: 16:46, Transit: 12:23. Moon - Rise: 02:40, Set: 14:52. Civil Dark: 17:23 - 07:22. Nautical Dark: 18:05 - 06:41. Astro Dark: 18:45 - 06:01

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

94
91
93
95
95
95
99
100
98
95
100
100
100
100
100
100
100
100
100
100
100
100
91
89

Medium Clouds (% Sky Obscured)

100
100
99
100
100
100
97
97
100
100
100
93
83
77
44
73
85
86
86
87
86
95
61
51

High Clouds (% Sky Obscured)

100
92
99
96
100
100
100
100
20
7
20
25
14
35
31
16
6
3
27
33
35
51
3
45

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

50
85
91
95
95
91
91
89
94
95
84
58
35
12
16
17
12
9
8
11
17
13
5
6

Precipitation Amount (mm)

0
0.6
0.5
1
1
0.5
0.4
0.5
0.6
1
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
12
12
12
12
12
12
12
11
11
11
10
9
9
8
7
6
6
6
5
5
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
8
8
8
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

93
95
93
93
95
93
95
95
94
94
93
93
94
93
93
93
93
94
94
96
94
94
96
96

Pressure (mb)

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

Ozone (du)

289
287
283
282
280
281
282
283
285
285
285
284
284
284
283
282
282
283
283
282
283
283
283
287

Sunday 16

Waning Crescent 13%

03:52

15:02

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 OK
16 OK
17 Good
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:01, Set: 16:44, Transit: 12:23. Moon - Rise: 03:52, Set: 15:02. Civil Dark: 17:22 - 07:24. Nautical Dark: 18:04 - 06:42. Astro Dark: 18:44 - 06:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
96
96
95
96
97
91
54
30
19
12
68
63
78
90
80
76

Low Clouds (% Sky Obscured)

95
96
100
100
100
100
100
100
92
88
90
80
71
70
17
4
2
2
68
63
77
82
77
54

Medium Clouds (% Sky Obscured)

43
62
91
97
67
94
93
80
63
31
29
36
37
32
25
17
2
5
15
13
3
7
1
28

High Clouds (% Sky Obscured)

62
68
83
72
58
74
32
18
0
0
0
0
0
0
1
1
7
5
2
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
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 (%)

10
9
11
12
6
6
18
12
8
5
11
0
0
0
0
0
0
1
2
3
11
3
9
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
94
94
94
94
93
91
90
88
82
78
68
69
73
79
78
71
75
76
79
79

Pressure (mb)

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

Ozone (du)

289
290
290
290
290
290
291
292
293
295
296
295
296
298
300
306
311
307
302
304
302
297
290
286

Monday 17

Waning Crescent 8%

05:05

15:12

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

Sun - Rise: 08:03, Set: 16:43, Transit: 12:23. Moon - Rise: 05:05, Set: 15:12. Civil Dark: 17:21 - 07:25. Nautical Dark: 18:02 - 06:44. Astro Dark: 18:42 - 06:04

Total Clouds (% Sky Obscured)

90
100
100
73
80
72
80
83
58
65
80
78
78
64
49
19
23
36
45
50
61
57
59
72

Low Clouds (% Sky Obscured)

67
100
64
54
71
68
61
69
56
60
59
42
38
25
16
13
23
36
45
50
57
50
48
46

Medium Clouds (% Sky Obscured)

41
49
54
22
20
0
73
69
58
60
76
77
78
64
49
13
0
0
0
10
18
28
14
6

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
7
43

ISS Passover

Visibility (miles)

9
7
7
9
9
8
7
6
7
5
5
5
5
7
6
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
Light Rain
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

40
70
54
44
28
41
44
39
44
48
66
67
54
46
37
29
28
14
9
15
17
6
15
18

Precipitation Amount (mm)

0
0.5
0
0
0
0
0
0
0
0
0.4
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
8
7
12
10
13
9
11
11
13
15
16
15
15
13
12
13
10
6
5
4
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
83
76
72
75
79
82
80
72
69
69
68
65
65
67
66
75
78
82
82
79
78
75

Pressure (mb)

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

Ozone (du)

287
296
300
303
306
312
315
324
330
330
330
329
326
320
312
305
301
295
288
282
285
289
287
289

Tuesday 18

Waning Crescent 3%

06:18

15:25

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:05, Set: 16:42, Transit: 12:23. Moon - Rise: 06:18, Set: 15:25. Civil Dark: 17:20 - 07:27. Nautical Dark: 18:01 - 06:45. Astro Dark: 18:42 - 06:05

Total Clouds (% Sky Obscured)

74
76
81
88
91
96
100
99
99
99
99
99
100
93
89
83
84
84
83
79
76
72
78
82

Low Clouds (% Sky Obscured)

47
48
51
60
65
68
71
77
83
85
82
79
75
75
76
77
68
51
28
50
56
43
37
42

Medium Clouds (% Sky Obscured)

8
16
76
84
89
95
92
97
98
97
98
98
99
93
87
81
77
75
74
72
64
59
64
65

High Clouds (% Sky Obscured)

51
46
53
61
74
86
100
67
33
5
0
0
0
4
9
15
23
26
34
23
11
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
17
19
15
22
28
20
40
40
46
49
47
50
53
42
18
28
20
16
30
17
9
21
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
79
79
80
85
88
91
93
91
90
85
75
67
66
67
69
71
78
78
82
86
83
85
91

Pressure (mb)

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

Ozone (du)

291
294
295
299
295
291
290
286
282
284
286
289
292
296
297
296
296
290
296
295
293
296
303
311

Wednesday 19

Waning Crescent 1%

07:32

15:41

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:07, Set: 16:40, Transit: 12:23. Moon - Rise: 07:32, Set: 15:41. Civil Dark: 17:19 - 07:28. Nautical Dark: 18:00 - 06:47. Astro Dark: 18:41 - 06:06

Total Clouds (% Sky Obscured)

87
88
90
91
94
97
100
91
95
100
100
99
99
99
100
100
99
98
96
92
89
85
90
95

Low Clouds (% Sky Obscured)

51
60
69
77
81
84
88
75
74
73
75
75
69
66
74
80
84
88
92
67
42
21
24
27

Medium Clouds (% Sky Obscured)

77
76
76
79
86
93
100
83
79
75
82
91
99
97
94
92
90
89
89
87
82
81
85
91

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
3
7
11
20
24
23
34
34
38
34
36
38
35
30
15

ISS Passover

Visibility (miles)

9
8
0
0
0
0
5
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

30
71
67
39
26
12
5
13
13
11
41
58
72
64
53
32
26
19
11
11
10
5
8
8

Precipitation Amount (mm)

0
0.7
0.7
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
9
8
7
7
7
7
7
7
6
5
4
5
7
7
8
8
9
9
9
9
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
96
98
98
96
93
91
88
85
83
82
79
78
78
76
78
79
82
83
85
86
89
89

Pressure (mb)

1010
1010
1009
1008
1008
1007
1007
1006
1006
1006
1006
1006
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

312
311
310
311
312
309
310
311
319
327
335
338
342
346
341
337
333
330
328
326
327
328
328
327

Thursday 20

New Moon 0%

08:46

16:04

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:08, Set: 16:39, Transit: 12:24. Moon - Rise: 08:46, Set: 16:04. Civil Dark: 17:18 - 07:30. Nautical Dark: 17:59 - 06:48. Astro Dark: 18:40 - 06:08

Total Clouds (% Sky Obscured)

100
100
100
100
96
93
90
87
84
81
72
65
62
71
80
88
81
75
68
71
74
75
78
82

Low Clouds (% Sky Obscured)

30
30
33
34
34
34
34
34
31
23
19
16
16
17
24
38
51
55
54
56
60
66
71
66

Medium Clouds (% Sky Obscured)

93
96
98
100
90
80
65
65
56
48
34
22
12
33
56
80
70
63
65
63
57
52
59
66

High Clouds (% Sky Obscured)

15
25
30
25
15
15
15
9
8
7
5
2
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
7
6
4
4
5
5
5
5
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

3
9
10
4
9
10
8
14
16
17
25
27
27
37
45
52
52
55
59
54
52
50
47
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.3
0.4
0.3
0.2
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
89
88
88
88
86
85
83
82
80
75
68
64
67
72
78
80
82
85
86
88
88
88

Pressure (mb)

1004
1004
1004
1003
1003
1003
1003
1003
1004
1004
1005
1005
1005
1005
1005
1005
1005
1006
1006
1007
1007
1008
1008
1008

Ozone (du)

325
324
323
323
322
321
319
318
319
320
321
321
320
320
320
319
318
317
316
314
315
315
315
316

Friday 21

Waxing Crescent 2%

09:56

16:35

Sun - Rise: 08:10, Set: 16:38, Transit: 12:24. Moon - Rise: 09:56, Set: 16:35. Civil Dark: 17:17 - 07:31. Nautical Dark: 17:59 - 06:49. Astro Dark: 18:39 - 06:09

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 Amersfoort, Gemeente Amersfoort, Netherlands (52.16,5.39)

Generated: 15/11/25 00:57:57. Forecast: 15/11/25 to 21/11/25. Timezone: UTC+1.00