Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 6

Third Quarter 37%

23:43

15:54

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

Sun - Rise: 06:11, Set: 21:21, Transit: 13:45. Moon - Rise: 23:43, Set: 15:54. Civil Dark: 22:00 - 05:31. Nautical Dark: 22:54 - 04:39. Astro Dark: 00:04 - 03:30

Total Clouds (% Sky Obscured)

95
96
97
39
31
20
11
43
15
33
25
19
21
30
25
16
24
32
63
38
33
26
22
39

Low Clouds (% Sky Obscured)

20
28
22
23
23
19
11
38
0
16
0
0
3
0
0
6
0
8
20
11
15
8
11
25

Medium Clouds (% Sky Obscured)

7
0
17
23
0
0
0
1
12
15
18
12
12
19
14
4
14
7
13
13
10
12
11
3

High Clouds (% Sky Obscured)

45
42
20
3
8
0
0
0
0
0
0
0
0
0
1
2
2
11
29
14
8
6
2
7

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
1
1
2
1
2
2
1
1
1
1
1
1
1
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)

10
11
13
15
16
16
15
14
14
13
11
7
6
5
4
4
3
3
3
3
3
2
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
43
39
36
38
38
39
39
40
45
49
58
65
69
73
74
76
77
81
81
81
80
68
61

Pressure (mb)

1019
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024

Ozone (du)

326
330
334
335
334
338
344
347
345
344
344
346
341
335
334
330
329
327
327
327
325
326
326
326

Friday 7

Waning Crescent 26%

00:20

17:21

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

Sun - Rise: 06:12, Set: 21:19, Transit: 13:45. Moon - Rise: 00:20, Set: 17:21. Civil Dark: 21:58 - 05:33. Nautical Dark: 22:51 - 04:41. Astro Dark: 00:00 - 03:33

Total Clouds (% Sky Obscured)

61
100
100
100
93
92
77
47
31
35
45
59
60
45
29
33
22
6
6
3
2
4
0
2

Low Clouds (% Sky Obscured)

28
19
27
25
19
24
24
19
13
10
0
15
15
3
4
4
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

21
25
28
27
32
32
21
18
2
13
19
33
32
29
17
23
17
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

49
100
100
100
48
42
35
16
13
9
22
2
2
2
2
2
4
2
4
2
2
3
0
1

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)

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

Chance of Frost

Temperature (°C)

19
20
21
22
23
23
23
24
23
23
21
19
17
16
16
15
14
14
13
12
12
12
15
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
44
38
34
30
28
28
28
28
31
36
47
58
65
68
69
71
74
77
80
81
76
60
46

Pressure (mb)

1024
1024
1024
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

326
327
328
329
331
331
331
328
330
331
333
329
327
326
325
325
324
323
322
323
323
325
325
326

Saturday 8

Waning Crescent 25%

01:14

18:39

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

Sun - Rise: 06:14, Set: 21:17, Transit: 13:45. Moon - Rise: 01:14, Set: 18:39. Civil Dark: 21:56 - 05:35. Nautical Dark: 22:48 - 04:43. Astro Dark: 23:56 - 03:37

Total Clouds (% Sky Obscured)

20
2
30
24
26
25
23
12
1
18
18
19
100
91
100
99
80
71
62
50
37
25
23
20

Low Clouds (% Sky Obscured)

0
0
20
17
16
17
13
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
2
41
14
96
81
44
38
35
27
20
14
13
11

High Clouds (% Sky Obscured)

6
1
3
1
1
0
1
1
1
18
18
19
99
81
95
98
68
57
41
27
14
0
1
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 (%)

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

Chance of Frost

Temperature (°C)

21
23
25
26
27
27
28
28
27
27
26
23
20
19
18
18
17
17
16
16
16
16
18
21

Feels Like (°C)

21
22
25
26
27
28
27
28
27
26
23
21
18
16
16
15
15
16
16
15
15
16
18
21

Dew Point (°C)

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

Relative Humidity (%)

36
29
26
23
20
19
18
18
18
19
25
36
44
47
49
45
45
44
42
43
46
47
40
32

Pressure (mb)

1022
1021
1021
1021
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016

Ozone (du)

324
322
321
320
316
316
320
320
319
318
317
317
317
318
319
319
319
319
320
322
324
324
320
319

Sunday 9

Waning Crescent 16%

02:29

19:40

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

Sun - Rise: 06:16, Set: 21:15, Transit: 13:44. Moon - Rise: 02:29, Set: 19:40. Civil Dark: 21:54 - 05:37. Nautical Dark: 22:46 - 04:46. Astro Dark: 23:52 - 03:41

Total Clouds (% Sky Obscured)

16
12
5
2
0
0
0
15
30
48
55
69
75
59
44
30
50
61
97
66
45
27
46
63

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
11
16
20
24

Medium Clouds (% Sky Obscured)

9
7
4
2
0
0
0
7
14
21
24
26
33
24
24
20
25
9
39
14
3
4
25
43

High Clouds (% Sky Obscured)

3
2
1
0
0
0
0
0
0
0
24
52
75
52
26
0
27
57
90
60
30
0
30
60

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
1
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)

3
3
4
4
5
6
8
11
10
8
7
6
5
6
5
6
6
6
6
6
6
6
5
7

Chance of Frost

Temperature (°C)

24
27
29
30
32
32
32
32
31
30
29
25
23
22
21
20
19
19
18
18
18
19
20
22

Feels Like (°C)

24
27
29
30
31
31
30
29
29
28
27
24
22
21
21
20
19
18
18
16
18
18
20
22

Dew Point (°C)

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

Relative Humidity (%)

26
21
18
15
15
14
14
15
16
18
22
29
34
41
46
51
50
44
43
43
43
43
37
30

Pressure (mb)

1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

319
319
317
316
317
316
317
316
316
316
316
316
317
317
315
313
311
310
309
309
308
307
306
306

Monday 10

Waning Crescent 8%

03:58

20:22

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

Sun - Rise: 06:17, Set: 21:13, Transit: 13:44. Moon - Rise: 03:58, Set: 20:22. Civil Dark: 21:52 - 05:38. Nautical Dark: 22:43 - 04:48. Astro Dark: 23:48 - 03:44

Total Clouds (% Sky Obscured)

75
71
66
62
47
32
19
23
25
27
24
31
36
32
29
25
42
60
77
70
63
57
61
67

Low Clouds (% Sky Obscured)

33
33
38
40
32
28
19
23
23
24
0
0
0
1
2
3
3
2
2
1
0
0
0
0

Medium Clouds (% Sky Obscured)

60
52
49
45
30
13
0
2
3
2
3
3
4
4
3
3
18
34
49
42
39
36
48
57

High Clouds (% Sky Obscured)

75
54
25
2
0
1
1
0
0
0
24
31
36
32
29
22
30
43
50
46
35
33
45
57

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
0
3
6
1
3
7
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)

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

Chance of Frost

Temperature (°C)

25
27
28
29
30
31
31
32
31
30
27
26
24
22
21
21
20
20
20
20
20
20
20
23

Feels Like (°C)

24
26
27
28
30
31
30
31
29
28
26
26
25
25
24
24
23
19
19
19
19
18
18
20

Dew Point (°C)

3
2
1
-1
-1
-1
-1
0
0
2
4
4
4
4
4
4
4
4
4
5
5
5
5
6

Relative Humidity (%)

24
20
16
14
13
13
13
13
13
16
22
25
27
30
31
33
34
35
36
37
37
37
37
33

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1018
1018
1018
1018
1018
1019
1019
1018
1018
1019
1019
1019
1019

Ozone (du)

308
307
307
307
308
308
308
307
306
306
306
307
309
310
310
310
310
310
310
310
311
311
311
312

Tuesday 11

Waning Crescent 2%

05:31

20:50

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

Sun - Rise: 06:19, Set: 21:11, Transit: 13:44. Moon - Rise: 05:31, Set: 20:50. Civil Dark: 21:50 - 05:40. Nautical Dark: 22:41 - 04:50. Astro Dark: 23:44 - 03:48

Total Clouds (% Sky Obscured)

71
70
65
60
55
45
35
30
25
25
23
25
26
20
12
1
5
9
12
23
36
47
59
64

Low Clouds (% Sky Obscured)

1
1
0
0
8
17
25
26
25
25
23
25
26
20
10
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

70
62
46
36
40
45
35
30
25
25
23
25
26
20
12
1
3
4
5
7
9
11
15
16

High Clouds (% Sky Obscured)

65
45
28
11
4
4
4
0
2
0
0
0
0
0
0
0
3
5
8
11
14
16
23
31

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
9
11
3
10
10
3
7
7
2
1
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)

6
6
7
9
10
11
12
13
11
9
7
5
3
4
3
3
4
4
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

25
27
28
29
31
30
30
29
28
28
27
25
23
21
21
20
19
18
18
17
18
18
19
21

Feels Like (°C)

21
21
22
22
22
31
30
29
28
27
27
23
24
24
24
23
22
21
20
21
20
20
19
22

Dew Point (°C)

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

Relative Humidity (%)

29
26
23
21
20
22
25
28
29
31
32
37
43
50
53
56
60
62
64
65
61
57
53
45

Pressure (mb)

1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

312
313
314
316
317
317
318
319
317
316
315
315
316
317
317
317
317
316
315
315
314
314
313
313

Wednesday 12

New Moon 0%

07:02

21:10

10 Bad
11 Bad
12 Bad
13 OK
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: 06:21, Set: 21:09, Transit: 13:44. Moon - Rise: 07:02, Set: 21:10. Civil Dark: 21:48 - 05:42. Nautical Dark: 22:38 - 04:52. Astro Dark: 23:40 - 03:51

Total Clouds (% Sky Obscured)

60
54
49
40
36
33
29
39
49
59
60
60
55
62
66
74

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

24
20
20
17
21
22
24
18
12
5
4
2
0
17
33
49

High Clouds (% Sky Obscured)

40
36
32
23
16
9
2
12
28
50
60
60
55
62
66
56

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
2
0
1
0
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
26
28
30
32
33
34
36
34
33
31
29
26
24
23
21

Feels Like (°C)

22
23
24
26
27
36
36
36
36
36
36
28
27
26
25
24

Dew Point (°C)

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

Relative Humidity (%)

38
32
29
26
24
24
23
23
25
27
29
33
37
42
45
49

Pressure (mb)

1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1016
1016
1017
1017
1017
1017

Ozone (du)

312
311
311
311
311
311
310
309
309
309
309
309
309
309
308
307

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

Generated: 06/08/26 10:14:20. Forecast: 06/08/26 to 12/08/26. Timezone: UTC+2.00