Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 4

Waning Crescent 31%

00:47

16:55

17 OK
18 OK
19 OK
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

Sun - Rise: 07:48, Set: 19:10, Transit: 13:28. Moon - Rise: 00:47, Set: 16:55. Civil Dark: 19:43 - 07:14. Nautical Dark: 20:23 - 06:35. Astro Dark: 21:02 - 05:55

Total Clouds (% Sky Obscured)

28
26
22
99
51
81
74
92
93
88
84
91
89
89
94
94
58
51
72
72
87
83
66
68

Low Clouds (% Sky Obscured)

23
13
13
13
11
7
24
28
28
27
27
25
22
20
24
23
12
12
24
21
30
18
24
27

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
43
30
11
3
30
31
7
47
33
22
14
4
2
2
2
1
0
0

High Clouds (% Sky Obscured)

0
1
22
99
40
73
64
59
70
69
61
85
83
83
88
89
55
51
57
60
79
74
51
51

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
2
13
63
81
85
75
63
69
64
49
27
19
26
1
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)

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

Chance of Frost

Temperature (°C)

19
19
17
15
14
12
11
10
10
9
9
9
9
9
9
9
11
13
16
18
19
20
21
21

Feels Like (°C)

21
21
19
15
13
11
12
11
9
8
8
7
8
9
8
8
10
12
15
16
17
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

56
65
72
78
82
83
84
84
84
85
87
88
90
91
90
91
87
77
72
62
55
51
51
54

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1025
1025
1025
1025
1026
1025
1025
1024
1023
1023

Ozone (du)

300
297
294
291
291
290
288
286
284
283
281
280
278
276
275
276
275
275
274
273
272
272
272
271

Monday 5

Waning Crescent 21%

02:16

17:19

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

Sun - Rise: 07:50, Set: 19:07, Transit: 13:27. Moon - Rise: 02:16, Set: 17:19. Civil Dark: 19:41 - 07:16. Nautical Dark: 20:20 - 06:37. Astro Dark: 21:00 - 05:57

Total Clouds (% Sky Obscured)

66
56
11
6
18
20
25
33
61
75
81
88
89
92
93
92
91
85
81
77
94
97
96
97

Low Clouds (% Sky Obscured)

23
18
2
0
9
13
14
26
54
72
75
76
78
79
77
75
60
15
3
0
25
28
12
23

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
12
22
23
16
3
20
43
42
45
45
50
46
65
71
78
88

High Clouds (% Sky Obscured)

52
47
8
6
6
4
4
4
4
7
7
29
71
82
82
84
86
63
57
53
74
88
89
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
1
0
1
2
2
2
2
1
0
0
1
4
4
4
13
4

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)

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

Chance of Frost

Temperature (°C)

20
19
17
15
14
13
12
12
12
11
12
12
12
12
12
12
12
15
17
19
20
21
21
21

Feels Like (°C)

18
18
17
16
15
14
14
13
12
11
11
11
11
11
11
11
11
14
16
18
20
20
21
21

Dew Point (°C)

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

Relative Humidity (%)

59
69
81
89
90
92
92
92
92
86
84
84
84
83
83
83
81
76
69
64
60
58
57
57

Pressure (mb)

1023
1022
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1019
1018
1018

Ozone (du)

271
270
268
267
267
267
266
266
266
267
267
268
268
269
269
269
269
270
272
272
274
274
276
278

Tuesday 6

Waning Crescent 12%

03:42

17:37

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:51, Set: 19:05, Transit: 13:27. Moon - Rise: 03:42, Set: 17:37. Civil Dark: 19:39 - 07:18. Nautical Dark: 20:18 - 06:39. Astro Dark: 20:58 - 05:59

Total Clouds (% Sky Obscured)

92
96
100
94
99
100
100
100
97
100
100
95
48
92
80
92
56
59
52
32
88
89
90
92

Low Clouds (% Sky Obscured)

0
6
13
18
22
20
20
18
15
17
15
14
17
21
18
15
0
0
0
0
0
0
1
6

Medium Clouds (% Sky Obscured)

91
93
100
87
98
100
100
100
94
100
100
88
30
77
57
57
23
42
39
32
86
87
90
92

High Clouds (% Sky Obscured)

53
74
100
42
94
77
100
89
73
100
70
88
20
70
45
80
53
53
42
32
74
75
73
72

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
1
1
3
13
13
13
13
13
13
13
13
13
13

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 (%)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
8

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

Chance of Frost

Temperature (°C)

21
20
19
17
16
15
15
15
15
14
14
13
13
12
11
11
11
14
16
18
20
21
21
21

Feels Like (°C)

21
20
18
16
16
15
15
15
14
14
13
13
12
12
10
10
11
13
15
16
19
19
20
20

Dew Point (°C)

14
15
15
14
13
13
14
14
13
13
12
12
11
11
10
10
10
11
11
11
12
12
12
12

Relative Humidity (%)

62
70
78
82
85
86
89
90
89
90
90
92
90
92
93
93
90
82
72
64
59
57
56
59

Pressure (mb)

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

Ozone (du)

279
281
282
283
284
286
286
286
288
289
290
290
291
292
293
294
294
295
297
300
301
300
300
301

Wednesday 7

Waning Crescent 6%

05:04

17:51

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:53, Set: 19:03, Transit: 13:27. Moon - Rise: 05:04, Set: 17:51. Civil Dark: 19:37 - 07:19. Nautical Dark: 20:16 - 06:40. Astro Dark: 20:55 - 06:01

Total Clouds (% Sky Obscured)

94
97
100
100
100
100
100
100
100
100
100
100
100
100
99
99
74
72
91
86
80
76
70
70

Low Clouds (% Sky Obscured)

8
60
73
79
82
84
84
84
82
79
81
84
83
83
82
80
43
40
71
75
74
75
69
60

Medium Clouds (% Sky Obscured)

94
97
100
100
99
91
100
100
100
57
56
56
59
59
53
52
51
46
36
44
32
25
20
18

High Clouds (% Sky Obscured)

69
93
100
100
100
100
100
100
100
100
78
50
27
13
0
0
0
0
0
0
0
0
0
2

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
8
9
9
9

Fog (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Precipitation Type

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

Precipitation Probability (%)

19
33
43
55
47
49
59
64
66
68
74
74
68
56
48
52
54
42
60
63
55
49
61
62

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
19
18
16
16
15
15
14
14
14
13
13
13
13
12
12
13
13
14
14
14
14
14
14

Feels Like (°C)

20
19
17
16
14
13
13
13
12
11
10
9
9
8
7
7
8
10
10
9
9
9
9
8

Dew Point (°C)

14
13
13
12
13
13
13
12
12
11
9
9
9
7
2
2
5
6
7
8
8
7
5
6

Relative Humidity (%)

65
68
73
75
83
86
87
86
86
84
76
77
75
67
49
48
61
62
60
66
67
61
55
59

Pressure (mb)

1008
1008
1007
1007
1007
1007
1007
1007
1006
1006
1006
1007
1007
1008
1008
1009
1010
1010
1011
1012
1012
1013
1013
1014

Ozone (du)

303
302
302
298
293
298
304
307
308
310
312
319
318
315
314
312
311
310
309
307
307
304
304
303

Thursday 8

Waning Crescent 2%

06:25

18:02

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
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

Sun - Rise: 07:55, Set: 19:01, Transit: 13:27. Moon - Rise: 06:25, Set: 18:02. Civil Dark: 19:34 - 07:21. Nautical Dark: 20:13 - 06:42. Astro Dark: 20:53 - 06:02

Total Clouds (% Sky Obscured)

68
66
62
68
73
81
67
54
30
19
60
69
79
90
100
93
97
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

68
66
62
68
73
73
21
12
3
8
34
28
12
73
83
78
71
65
74
83
92
95
97
100

Medium Clouds (% Sky Obscured)

3
1
0
0
0
0
0
0
0
0
0
0
6
16
25
49
72
93
95
98
100
98
97
95

High Clouds (% Sky Obscured)

12
20
20
20
20
20
25
30
22
12
60
69
79
90
100
80
90
100
100
100
100
95
93
90

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 (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Precipitation Type

None
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
Very Light Rain

Precipitation Probability (%)

41
27
15
18
21
8
23
24
1
3
6
1
3
10
17
19
19
14
53
72
81
83
80
70

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.4
0.3

Wind Speed/Direction (mph)

16
13
12
9
9
9
9
7
6
5
5
6
6
6
8
9
10
12
13
14
15
17
14
13

Chance of Frost

Temperature (°C)

13
12
12
11
11
11
11
10
9
8
7
7
7
7
7
8
9
11
12
12
11
11
11
12

Feels Like (°C)

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

Dew Point (°C)

6
5
3
1
1
0
1
2
1
1
2
1
1
2
3
4
6
7
8
9
9
10
10
11

Relative Humidity (%)

61
59
54
50
48
46
51
58
60
64
66
64
67
72
74
78
78
77
76
83
87
93
92
93

Pressure (mb)

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

Ozone (du)

303
302
302
303
302
301
300
299
296
292
289
287
285
284
282
280
278
277
275
275
276
276
277
278

Friday 9

Waning Crescent 0%

07:44

18:14

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:56, Set: 18:58, Transit: 13:26. Moon - Rise: 07:44, Set: 18:14. Civil Dark: 19:32 - 07:23. Nautical Dark: 20:11 - 06:44. Astro Dark: 20:51 - 06:04

Total Clouds (% Sky Obscured)

98
96
95
97
99
100
92
85
79
80
82
83
89
95
100
91
82
69
79
83
88
94
97
100

Low Clouds (% Sky Obscured)

95
90
86
89
92
95
80
63
47
60
72
82
77
70
64
51
41
32
37
41
47
50
51
54

Medium Clouds (% Sky Obscured)

88
80
73
68
69
69
62
49
35
35
35
34
46
57
71
62
45
27
39
56
74
82
91
100

High Clouds (% Sky Obscured)

70
51
31
33
33
29
15
9
2
2
1
0
25
50
75
51
29
5
14
28
44
36
19
3

ISS Passover

Visibility (miles)

8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Precipitation Type

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

Precipitation Probability (%)

69
77
86
94
95
95
86
77
59
54
45
36
33
34
38
39
35
29
31
35
37
43
48
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
13
12
12
11
11
11
10
9
8
8
9
9
9
9
9
10
11
12
13
14
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
6
7
9
11
11
11
12
13
13
9
9
9
9
9
9
8
8
9
9
9
10
11
10

Dew Point (°C)

10
11
11
12
12
12
11
10
10
9
9
9
8
8
8
8
8
7
7
6
5
4
5
6

Relative Humidity (%)

92
93
93
95
93
93
92
89
87
84
84
83
83
83
84
84
77
71
66
61
56
51
56
60

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

279
280
282
283
285
288
290
292
294
295
296
297
298
300
301
302
303
304
304
305
306
307
309
312

Saturday 10

New Moon 1%

09:03

18:26

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:58, Set: 18:56, Transit: 13:26. Moon - Rise: 09:03, Set: 18:26. Civil Dark: 19:30 - 07:24. Nautical Dark: 20:09 - 06:45. Astro Dark: 20:48 - 06:06

Total Clouds (% Sky Obscured)

97
93
90
76
65
52
55
58
60
59
56
55
50
45
40
49
56
63
72
80
88

Low Clouds (% Sky Obscured)

66
78
90
76
65
52
55
57
51
44
37
31
32
32
34
39
41
43
49
58
67

Medium Clouds (% Sky Obscured)

78
56
34
22
11
0
14
31
46
41
39
37
25
12
0
2
3
4
15
25
40

High Clouds (% Sky Obscured)

2
1
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
8
8
8
9
9
9
9
9
9
9
9
9
9

Fog (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Precipitation Type

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

Precipitation Probability (%)

49
45
41
41
40
35
44
49
52
49
46
41
37
32
26
29
31
31
48
59
68

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
12
11
10
10
10
10
10
11
11
11
11
11
11
11
10
12
13
14
15
16

Chance of Frost

Temperature (°C)

12
12
11
11
10
10
9
9
9
9
9
9
9
9
9
9
10
11
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
65
65
66
67
68
69
73
76
78
78
80
80
78
78
75
71
66
62
60
56

Pressure (mb)

1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

314
316
317
318
320
323
325
325
326
326
327
327
327
327
327
326
326
325
324
322
321

Forecast for De Meern, Gemeente Utrecht, Netherlands (52.08,5.03)

Generated: 04/10/26 17:11:02. Forecast: 04/10/26 to 10/10/26. Timezone: UTC+2.00