Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

Waxing Crescent 14%

09:34

23:19

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

Sun - Rise: 05:40, Set: 21:51, Transit: 13:45. Moon - Rise: 09:34, Set: 23:19. Civil Dark: 22:36 - 04:56. Nautical Dark: 23:41 - 03:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

18
17
15
35
44
59
48
53
63
58
53
28
23
14
12
28
71
80
89
59
58
49
65
88

Low Clouds (% Sky Obscured)

18
17
15
35
44
59
48
52
51
54
51
28
23
14
12
28
35
11
0
24
49
49
62
56

Medium Clouds (% Sky Obscured)

9
7
0
0
0
15
26
34
37
14
0
0
0
0
0
0
0
0
8
0
9
4
1
58

High Clouds (% Sky Obscured)

2
0
0
0
0
0
3
2
0
3
19
3
2
0
2
1
37
51
89
49
26
4
46
75

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
1
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)

4
4
5
5
6
7
7
8
9
11
12
13
13
14
13
12
10
8
7
6
6
6
5
5

Chance of Frost

Temperature (°C)

15
15
16
18
20
21
22
23
24
25
25
25
24
24
23
22
20
18
17
16
16
15
16
16

Feels Like (°C)

15
16
17
20
22
22
23
23
24
23
23
23
22
22
21
21
20
19
18
15
15
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

89
90
83
73
63
54
46
40
37
34
34
35
37
40
46
51
55
66
77
86
90
90
89
87

Pressure (mb)

1015
1014
1014
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016

Ozone (du)

350
351
349
349
348
347
346
346
346
346
346
347
346
346
344
344
342
342
338
337
335
334
333
333

Saturday 18

Waxing Crescent 23%

10:57

23:30

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

Sun - Rise: 05:41, Set: 21:50, Transit: 13:45. Moon - Rise: 10:57, Set: 23:30. Civil Dark: 22:34 - 04:58. Nautical Dark: 23:39 - 03:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
86
92
92
79
65
67
47
33
41
28
73
92
81
98
65
60
57
81
33
57
50
57
64

Low Clouds (% Sky Obscured)

52
58
64
72
45
65
67
47
33
41
21
60
38
0
63
31
3
0
6
9
12
41
57
64

Medium Clouds (% Sky Obscured)

50
21
38
39
47
4
14
0
0
33
16
54
37
42
25
45
51
17
44
27
25
1
1
0

High Clouds (% Sky Obscured)

50
29
34
33
26
14
4
4
1
0
4
15
75
75
96
65
60
57
60
0
39
45
50
35

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 (%)

1
8
2
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1

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
5
5
6
7
8
10
12
12
13
14
15
15
14
13
13
11
8
6
6
6
6
6
5

Chance of Frost

Temperature (°C)

16
16
16
17
18
19
21
20
20
22
22
22
21
20
20
19
18
16
15
15
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

14
14
14
13
11
9
8
7
5
7
7
6
7
9
10
11
11
10
10
9
8
8
6
6

Relative Humidity (%)

89
90
87
76
63
52
45
42
37
37
37
34
42
49
55
61
64
66
70
70
66
64
59
61

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1018
1017
1018
1018
1018

Ozone (du)

335
336
335
334
335
336
336
337
338
340
340
342
343
343
343
344
345
348
352
358
356
357
361
366

Sunday 19

Waxing Crescent 32%

12:16

23:41

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

Sun - Rise: 05:42, Set: 21:48, Transit: 13:45. Moon - Rise: 12:16, Set: 23:41. Civil Dark: 22:33 - 05:00. Nautical Dark: 23:37 - 03:56. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

80
61
60
42
90
80
84
99
96
80
85
92
60
57
39
73
52
63
71
70
70
69
67
66

Low Clouds (% Sky Obscured)

80
58
60
37
58
64
31
48
67
37
26
58
26
39
32
50
38
42
61
59
52
49
46
43

Medium Clouds (% Sky Obscured)

0
0
0
0
35
23
24
21
35
24
30
36
16
30
16
36
5
17
6
4
0
1
1
2

High Clouds (% Sky Obscured)

1
0
0
0
0
0
1
15
1
0
0
7
0
0
0
0
0
0
0
0
0
0
4
4

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
5
1
1
2
5
3
1
2
1
1
1
1
2
1
1
4
4
5
17
17
18
19
16

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
7
8
11
13
12
13
15
15
16
15
15
15
16
14
12
9
7
8
8
8
9
9

Chance of Frost

Temperature (°C)

13
13
14
15
17
17
18
19
19
19
19
19
19
19
19
18
17
16
15
14
14
14
14
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
59
59
53
50
50
55
52
50
51
50
50
49
44
47
51
54
57
62
64
74
78
78
78

Pressure (mb)

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

Ozone (du)

370
370
369
369
369
370
371
371
371
372
372
372
369
367
366
367
365
364
364
360
357
354
354
357

Monday 20

Waxing Crescent 43%

13:34

23:53

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

Sun - Rise: 05:44, Set: 21:47, Transit: 13:45. Moon - Rise: 13:34, Set: 23:53. Civil Dark: 22:31 - 05:00. Nautical Dark: 23:35 - 03:58. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

61
60
50
48
42
66
74
81
84
83
79
58
35
30
23
15
9
6
12
11
7
5
3
0

Low Clouds (% Sky Obscured)

36
23
15
23
32
45
46
48
53
48
45
32
30
30
23
15
9
6
12
11
7
5
3
0

Medium Clouds (% Sky Obscured)

1
1
0
0
0
0
12
22
33
34
35
32
20
10
3
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
4
4
1
2
33
30
30
20
31
26
23
10
6
9
5
2
0
3
4
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 (%)

12
19
6
5
6
4
3
4
1
1
1
0
0
1
0
0
0
0
1
0
0
3
2
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)

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

Chance of Frost

Temperature (°C)

13
14
14
15
17
18
20
20
21
21
21
21
22
21
21
20
18
16
15
14
13
13
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
74
69
64
57
49
44
42
45
46
47
49
39
37
38
45
54
68
78
84
87
90
92
93

Pressure (mb)

1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1024
1024
1023
1024
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026

Ozone (du)

359
360
361
359
359
356
355
354
354
354
352
351
350
349
347
348
349
351
352
353
354
354
348
344

Tuesday 21

First Quarter 53%

14:50

00:07

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

Sun - Rise: 05:45, Set: 21:46, Transit: 13:45. Moon - Rise: 14:50, Set: 00:07. Civil Dark: 22:30 - 05:01. Nautical Dark: 23:33 - 04:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
1
8
14
18
35
44
59
59
82
52
37
33
42
59
53
51
67
79
90
94
96
100

Low Clouds (% Sky Obscured)

0
0
0
7
13
18
12
6
0
12
23
33
32
32
33
32
29
23
25
25
30
36
40
43

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
16
34
56
46
40
29
20
10
0
35
37
43
45
46
48
58
64
66

High Clouds (% Sky Obscured)

0
0
1
3
6
3
8
5
4
8
65
18
6
9
27
39
27
17
33
49
66
77
89
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
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 (%)

1
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
1
0
1
2
1
12
18
18

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
6
6
7
7
8
8
9
12
14
14
13
13
12
10
8
6
5
4
4
4
4

Chance of Frost

Temperature (°C)

12
12
13
15
17
18
20
21
23
24
24
23
23
22
21
20
18
16
15
14
14
14
14
14

Feels Like (°C)

13
13
15
16
17
19
20
21
22
22
21
19
19
19
18
17
16
16
17
16
15
14
12
14

Dew Point (°C)

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

Relative Humidity (%)

92
93
90
78
65
54
47
40
36
32
32
35
34
34
33
36
44
55
67
73
80
87
89
90

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022

Ozone (du)

342
339
337
336
335
333
332
332
331
332
334
335
335
335
335
335
335
336
336
335
335
335
336
336

Wednesday 22

Waxing Gibbous 63%

16:06

00:23

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
03 Bad
04 Bad

Sun - Rise: 05:47, Set: 21:45, Transit: 13:46. Moon - Rise: 16:06, Set: 00:23. Civil Dark: 22:28 - 05:03. Nautical Dark: 23:30 - 04:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
97
96
97
99
100
98
95
92
89
86
84
75
65
56
59
61
60
56
68
73
83
90
97

Low Clouds (% Sky Obscured)

56
71
83
77
70
67
68
65
60
63
61
62
57
55
52
42
32
23
26
31
36
39
45
53

Medium Clouds (% Sky Obscured)

64
66
70
81
90
100
96
92
86
81
76
72
59
46
37
27
14
1
0
0
0
25
49
73

High Clouds (% Sky Obscured)

90
81
71
76
71
66
70
70
65
51
35
25
18
13
4
18
32
43
42
46
46
53
60
67

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

22
23
17
14
14
16
18
16
14
30
42
54
59
60
56
45
35
22
18
16
18
28
29
26

Precipitation Amount (mm)

0
0
0
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)

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

Chance of Frost

Temperature (°C)

14
15
16
16
17
18
19
19
19
20
20
20
20
19
18
18
17
15
14
14
13
13
13
13

Feels Like (°C)

14
14
14
14
17
17
17
18
18
19
19
19
19
18
18
17
16
16
16
16
15
15
13
14

Dew Point (°C)

13
13
13
13
12
11
10
11
12
12
14
15
17
16
15
15
14
13
13
12
12
11
12
12

Relative Humidity (%)

92
87
83
81
72
63
57
58
60
62
68
75
82
82
82
82
85
89
92
92
92
92
93
93

Pressure (mb)

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

Ozone (du)

337
339
341
343
346
348
351
353
356
358
360
363
365
366
366
367
368
370
371
371
372
372
373
373

Thursday 23

Waxing Gibbous 72%

17:20

00:46

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

Sun - Rise: 05:48, Set: 21:43, Transit: 13:46. Moon - Rise: 17:20, Set: 00:46. Civil Dark: 22:27 - 05:05. Nautical Dark: 23:28 - 04:05. Astro Dark: N/A - 02:10

Total Clouds (% Sky Obscured)

97
98
98
93
87
81
83
84
86
92
95
98
98
99
100
97
94
89
77
68
57

Low Clouds (% Sky Obscured)

58
65
69
59
49
39
44
49
55
67
77
85
87
91
98
92
82
68
58
45
32

Medium Clouds (% Sky Obscured)

81
89
97
87
77
68
71
71
71
68
66
58
58
53
48
46
43
45
29
15
5

High Clouds (% Sky Obscured)

50
29
6
4
2
0
0
0
0
0
0
0
8
15
23
38
55
72
55
42
27

ISS Passover

Visibility (miles)

7
8
9
9
8
7
6
7
8
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

Precipitation Type

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

Precipitation Probability (%)

41
41
37
46
51
55
55
55
55
46
34
8
8
7
2
15
21
1
3
3
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
5
5
7
8
9
10
10
11
11
11
11
11
10
10
8
7
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
90
90
82
76
71
62
56
49
49
48
48
50
53
56
63
73
83
85
89

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016

Ozone (du)

374
371
368
366
363
361
358
355
351
348
345
343
341
340
339
338
339
341
342
341
340

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

Generated: 17/07/26 05:10:11. Forecast: 17/07/26 to 23/07/26. Timezone: UTC+2.00