Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 19

Waxing Crescent 46%

15:04

22:48

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 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:32, Set: 20:55, Transit: 13:43. Moon - Rise: 15:04, Set: 22:48. Civil Dark: 21:32 - 05:55. Nautical Dark: 22:19 - 05:08. Astro Dark: 23:15 - 04:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
92
85
70
77
31
25
28
46
48
60
62
61
61
48

Low Clouds (% Sky Obscured)

79
78
76
75
78
78
79
75
52
27
35
51
42
25
20
19
22
26
24
29
42
45
41
42

Medium Clouds (% Sky Obscured)

95
100
100
100
95
94
89
85
85
87
55
41
0
0
0
0
0
15
22
36
37
27
24
3

High Clouds (% Sky Obscured)

76
81
100
100
100
98
100
100
99
100
50
40
35
35
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
95
95
62
48
46
63
67
59
40
47
42
31
3
20
7
24
8
3
5
10
40
39
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
17
17
17
18
18
19
19
19
19
19
18
17
16
15
15
15
15
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

16
17
17
16
16
16
16
17
17
16
15
15
16
16
15
15
14
14
14
14
14
14
15
15

Relative Humidity (%)

90
92
93
89
90
89
89
89
89
81
76
78
84
89
92
93
93
95
95
96
96
96
98
98

Pressure (mb)

1005
1005
1005
1005
1006
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1004
1004
1004
1004

Ozone (du)

301
300
302
304
307
306
305
304
308
310
312
314
316
319
322
326
324
326
327
328
330
332
333
335

Thursday 20

First Quarter 56%

16:17

23:16

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 OK
21 OK
22 Bad
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:34, Set: 20:53, Transit: 13:42. Moon - Rise: 16:17, Set: 23:16. Civil Dark: 21:30 - 05:57. Nautical Dark: 22:17 - 05:10. Astro Dark: 23:12 - 04:16

Total Clouds (% Sky Obscured)

59
36
34
46
43
55
88
92
55
52
47
53
37
25
37
39
42
47
43
40
38
41
52
57

Low Clouds (% Sky Obscured)

56
30
25
41
34
43
44
85
41
35
28
24
27
18
26
29
36
38
43
37
33
38
41
38

Medium Clouds (% Sky Obscured)

0
0
13
14
19
20
66
43
14
9
6
23
0
0
0
0
0
8
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
5
8
9
8
5
3
5
5
6
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
18
49
62
60
55
58
95
88
72
82
89
38
12
13
17
5
5
6
3
3
4
8
3

Precipitation Amount (mm)

0
0
0
0.3
0.3
0.2
0.2
0.9
0.5
0.3
0.5
0.6
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
13
14
15
14
13
13
13
13
12
11
11
9
6
6
6
6
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
92
86
77
70
59
50
55
77
76
74
72
68
72
81
85
85
87
90
92
93
93
93
93

Pressure (mb)

1004
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

335
334
335
336
337
338
338
337
338
340
339
340
342
342
341
341
339
339
339
338
338
338
337
336

Friday 21

Waxing Gibbous 66%

17:24

23:54

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
05 Bad
06 Bad

Sun - Rise: 06:35, Set: 20:51, Transit: 13:42. Moon - Rise: 17:24, Set: 23:54. Civil Dark: 21:27 - 05:58. Nautical Dark: 22:14 - 05:12. Astro Dark: 23:09 - 04:18

Total Clouds (% Sky Obscured)

88
97
100
100
100
100
100
100
100
100
100
100
100
86
90
97
100
93
83
66
51
38
42
46

Low Clouds (% Sky Obscured)

34
32
33
67
71
58
47
51
76
84
77
68
51
33
33
36
36
30
30
27
25
27
26
28

Medium Clouds (% Sky Obscured)

12
39
100
95
87
100
100
100
100
100
100
100
99
81
85
94
100
86
59
32
16
3
6
7

High Clouds (% Sky Obscured)

35
55
100
100
100
100
100
25
100
100
100
100
82
35
15
27
85
49
46
31
16
0
1
2

ISS Passover

Visibility (miles)

9
9
9
9
7
5
4
3
3
3
4
9
8
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
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 (%)

5
21
18
74
76
82
95
95
95
94
90
61
38
9
3
3
2
3
7
14
13
12
18
25

Precipitation Amount (mm)

0
0
0
0.5
0.4
0.6
0.9
1
1.1
0.8
0.9
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
90
82
74
73
72
71
75
78
80
83
86
89
89
90
89
89
87
89
92
93
92
93
93

Pressure (mb)

1007
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1011
1011
1011
1012
1013
1013
1013
1014
1014
1014
1014
1015
1015

Ozone (du)

335
335
335
335
336
336
338
340
342
341
341
341
341
340
342
345
346
347
349
349
349
350
351
353

Saturday 22

Waxing Gibbous 75%

18:19

00:45

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 OK
22 Good
23 OK
00 OK
01 Bad
02 OK
03 OK
04 OK
05 Bad
06 Bad

Sun - Rise: 06:37, Set: 20:48, Transit: 13:42. Moon - Rise: 18:19, Set: 00:45. Civil Dark: 21:25 - 06:00. Nautical Dark: 22:11 - 05:14. Astro Dark: 23:05 - 04:21

Total Clouds (% Sky Obscured)

48
54
54
57
68
59
49
53
57
55
57
55
56
38
25
10
17
39
48
46
41
46
51
52

Low Clouds (% Sky Obscured)

32
30
33
36
57
54
49
45
43
40
38
33
31
21
12
2
12
39
48
44
27
24
43
52

Medium Clouds (% Sky Obscured)

6
8
11
14
12
13
15
15
14
12
14
15
16
12
8
4
3
2
0
7
15
22
17
13

High Clouds (% Sky Obscured)

3
5
6
7
5
4
2
6
11
16
12
6
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
29
35
26
37
36
34
52
60
62
56
47
40
25
10
3
3
2
2
2
3
3
3
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
83
72
59
50
44
42
44
44
45
49
58
66
78
84
86
84
77
75
76
81
80
75

Pressure (mb)

1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

353
353
351
350
350
350
351
351
351
350
351
352
353
354
354
354
355
354
354
352
350
349
347
345

Sunday 23

Waxing Gibbous 83%

19:01

01:49

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

Sun - Rise: 06:38, Set: 20:46, Transit: 13:42. Moon - Rise: 19:01, Set: 01:49. Civil Dark: 21:23 - 06:02. Nautical Dark: 22:09 - 05:16. Astro Dark: 23:02 - 04:24

Total Clouds (% Sky Obscured)

45
42
42
38
46
65
71
80
87
93
53
68
44
26
15
3
15
28
40
36
32
26
24
18

Low Clouds (% Sky Obscured)

45
42
37
36
41
55
57
62
59
58
28
45
26
22
12
2
7
13
16
15
15
11
8
6

Medium Clouds (% Sky Obscured)

7
5
2
0
9
17
26
32
34
40
33
27
20
3
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
14
11
5
0
2
2

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 (%)

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

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

Chance of Frost

Temperature (°C)

12
12
14
16
18
19
19
19
19
19
19
19
18
17
16
14
13
12
12
11
11
11
10
11

Feels Like (°C)

11
12
14
16
18
18
17
17
17
17
17
18
16
16
16
15
15
15
14
14
10
10
11
11

Dew Point (°C)

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

Relative Humidity (%)

73
72
64
58
48
47
48
48
47
53
51
49
52
61
65
71
79
80
81
83
81
83
81
80

Pressure (mb)

1021
1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1021
1021
1021
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022

Ozone (du)

345
345
345
346
345
344
344
343
341
342
343
343
344
344
344
343
342
341
340
339
339
338
337
338

Monday 24

Waxing Gibbous 90%

19:32

03:01

07 Good
08 Good
09 Good
10 Good
11 OK
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
05 Bad
06 Bad

Sun - Rise: 06:40, Set: 20:44, Transit: 13:41. Moon - Rise: 19:32, Set: 03:01. Civil Dark: 21:20 - 06:04. Nautical Dark: 22:06 - 05:19. Astro Dark: 22:59 - 04:27

Total Clouds (% Sky Obscured)

15
12
10
9
34
57
79
73
70
74
84
93
100
97
93
88
87
86
86
90
96
100
100
100

Low Clouds (% Sky Obscured)

6
5
6
7
9
14
16
15
14
15
13
13
14
11
9
6
4
2
0
6
11
15
30
46

Medium Clouds (% Sky Obscured)

0
0
0
0
3
8
13
18
21
22
19
16
13
13
16
24
27
30
32
48
61
77
81
87

High Clouds (% Sky Obscured)

2
2
1
1
18
25
19
27
44
62
75
87
100
97
93
88
87
86
84
90
95
100
100
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 (%)

0
1
2
1
1
1
0
0
0
0
0
0
0
0
0
0
4
7
0
2
2
1
8
9

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

Chance of Frost

Temperature (°C)

11
12
14
16
18
19
20
21
21
22
22
21
20
19
18
17
16
16
15
15
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
8
8
7
6
6
6
7
8
7
7
7
7
7
8
7
7
7
6

Relative Humidity (%)

77
76
68
61
53
49
45
41
39
37
35
38
42
47
49
50
53
56
58
62
59
58
56
54

Pressure (mb)

1022
1022
1022
1022
1022
1021
1020
1020
1019
1018
1017
1017
1016
1016
1016
1015
1015
1014
1014
1013
1013
1012
1012
1011

Ozone (du)

338
338
336
333
331
330
328
327
326
325
323
322
321
320
320
320
320
319
317
316
315
315
315
315

Tuesday 25

Waxing Gibbous 95%

19:54

04:17

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: 06:42, Set: 20:42, Transit: 13:41. Moon - Rise: 19:54, Set: 04:17. Civil Dark: 21:18 - 06:06. Nautical Dark: 22:03 - 05:21. Astro Dark: 22:55 - 04:29

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
98
96
94

Low Clouds (% Sky Obscured)

59
66
72
79
79
82
87
76
60
44
50
55
60
48
37
31
32
31
28

Medium Clouds (% Sky Obscured)

92
95
97
99
99
98
98
99
99
100
98
95
92
78
64
50
42
30
22

High Clouds (% Sky Obscured)

100
94
87
81
86
92
100
100
100
100
100
100
99
99
100
100
96
92
89

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

6
18
22
26
36
36
24
43
50
51
50
55
62
55
49
45
37
29
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.2
0
0
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
16
17
17
18
18
18
18
18
18
17
17
16
16
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
52
53
54
55
61
68
76
78
78
81
81
82
82
85
87
90
92
93

Pressure (mb)

1011
1011
1011
1011
1010
1011
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1013
1014

Ozone (du)

316
317
317
317
317
317
318
319
320
322
324
324
324
325
325
326
326
328
330

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

Generated: 19/08/26 07:42:26. Forecast: 19/08/26 to 25/08/26. Timezone: UTC+2.00