Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 10

Waning Crescent 30%

01:58

15:32

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

Sun - Rise: 04:41, Set: 21:18, Transit: 13:00. Moon - Rise: 01:58, Set: 15:32. Civil Dark: 22:06 - 03:54. Nautical Dark: 23:20 - 02:39. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

61
64
77
97
100
100
90
90
100
63
73
60
0
1
7
37
100
100
100
100
100
98
100
100

Low Clouds (% Sky Obscured)

61
44
55
83
71
77
75
81
81
45
55
43
0
0
0
0
0
0
0
0
0
0
36
55

Medium Clouds (% Sky Obscured)

57
64
69
70
100
100
90
83
82
15
18
11
0
1
0
0
0
1
26
33
69
54
100
100

High Clouds (% Sky Obscured)

2
2
3
58
66
46
13
2
50
0
0
0
0
1
7
37
100
100
100
100
100
96
100
100

ISS Passover

Visibility (miles)

9
9
8
8
7
9
8
4
6
4
4
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Very 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 (%)

41
58
61
63
68
62
58
62
92
95
93
61
11
0
0
0
0
0
0
0
0
0
0
2

Precipitation Amount (mm)

0
0
0.3
0.4
0.3
0.3
0
0.2
0.9
0.8
0.7
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
63
58
59
55
50
54
57
66
73
75
80
83
87
91
91
91
93
95
93
95
95
93
88

Pressure (mb)

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

Ozone (du)

413
416
417
418
418
417
417
418
418
419
418
410
403
399
398
397
395
393
385
382
379
375
373
370

Thursday 11

Waning Crescent 20%

02:15

17:00

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
07 Bad

Sun - Rise: 04:41, Set: 21:19, Transit: 13:00. Moon - Rise: 02:15, Set: 17:00. Civil Dark: 22:07 - 03:53. Nautical Dark: 23:21 - 02:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
98
99
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

63
83
84
84
90
91
91
86
82
85
90
84
87
88
88
89
74
73
74
87
91
84
74
77

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
97
100
64
66
69
91
80
84
84
99
99
91
85
88
81
94

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
92
100
100
91
83
93
96
100
89
87
100
100
100
100
100
91

ISS Passover

Visibility (miles)

9
9
6
5
5
3
6
6
7
2
0
0
1
4
3
2
0
9
9
9
8
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
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
None
None

Precipitation Probability (%)

29
75
95
95
95
95
95
95
80
62
36
27
20
17
33
8
0
2
8
2
2
1
3
2

Precipitation Amount (mm)

0
0.4
0.6
0.8
1.3
1.2
0.7
0.7
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
80
86
93
96
95
96
96
96
98
98
98
98
98
98
98
98
96
96
96
96
96
95
96

Pressure (mb)

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

Ozone (du)

367
365
360
360
355
352
351
347
344
343
343
342
341
340
338
337
336
335
336
336
336
338
337
336

Friday 12

Waning Crescent 11%

02:40

18:32

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
07 Bad

Sun - Rise: 04:41, Set: 21:19, Transit: 13:00. Moon - Rise: 02:40, Set: 18:32. Civil Dark: 22:07 - 03:53. Nautical Dark: 23:22 - 02:37. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
93
76
83
69
68
74
64
69
70
70
67
67
59
54
56
59
63
51

Low Clouds (% Sky Obscured)

78
96
100
89
94
77
83
74
66
46
46
33
38
33
39
49
55
54
54
54
55
54
61
48

Medium Clouds (% Sky Obscured)

69
58
63
24
5
1
4
25
14
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
88
25
6
10
27
46
65
53
52
57
65
60
46
24
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
19
26
32
34
29
35
26
27
23
21
2
1
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)

13
13
15
14
15
15
14
15
15
14
14
13
12
11
9
9
9
10
9
9
8
7
7
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
89
86
78
77
75
75
67
75
74
75
78
83
90
92
93
93
95
96
96
96
96
89

Pressure (mb)

1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1025
1025
1025

Ozone (du)

338
337
337
338
340
340
339
339
338
337
337
337
337
336
337
340
343
344
345
346
346
346
346
345

Saturday 13

Waning Crescent 5%

03:17

20:05

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

Sun - Rise: 04:41, Set: 21:20, Transit: 13:01. Moon - Rise: 03:17, Set: 20:05. Civil Dark: 22:08 - 03:53. Nautical Dark: 23:24 - 02:37. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

42
36
29
22
13
22
32
42
35
24
14
32
53
72
89
81
91
82
76
77
59
40
44
46

Low Clouds (% Sky Obscured)

42
36
29
22
13
22
26
29
24
18
12
15
17
20
18
15
13
9
4
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
10
6
14
25
29
23
17
16
11

High Clouds (% Sky Obscured)

0
0
0
0
0
19
32
42
35
23
9
28
44
62
80
72
86
66
64
57
44
30
24
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 (%)

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)

9
10
10
10
9
9
9
9
9
8
8
7
5
3
2
2
2
3
2
2
2
2
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
16
17
18
20
20
21
22
22
22
23
22
21
19
18
17
16
15
16
15
15
16
16

Dew Point (°C)

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

Relative Humidity (%)

76
68
60
56
54
50
49
48
48
50
53
62
69
75
77
77
79
79
83
83
84
86
84
80

Pressure (mb)

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

Ozone (du)

346
347
346
346
346
347
346
346
345
345
345
345
345
344
344
342
341
341
341
341
344
343
342
342

Sunday 14

Waning Crescent 1%

04:13

21:29

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

Sun - Rise: 04:41, Set: 21:21, Transit: 13:01. Moon - Rise: 04:13, Set: 21:29. Civil Dark: 22:09 - 03:53. Nautical Dark: 23:25 - 02:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

61
69
62
62
48
61
81
94
95
95
94
30
39
56
56
42
27
18
9
0
8
16
28
20

Low Clouds (% Sky Obscured)

0
0
4
7
11
20
30
40
37
33
29
28
28
28
28
27
27
18
9
0
8
14
18
12

Medium Clouds (% Sky Obscured)

5
0
0
0
0
10
20
30
24
18
14
0
0
0
0
0
0
17
9
0
8
16
28
20

High Clouds (% Sky Obscured)

54
69
62
55
40
51
75
88
73
75
79
18
28
40
33
22
10
12
9
0
8
16
28
20

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
1
2
2
1
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
4
5
5
5
5
5
5
5
5
5
6
4
5
7
6
5
4
4
4
4
4
5
6

Chance of Frost

Temperature (°C)

17
19
20
21
22
23
24
24
25
24
24
23
21
19
17
16
16
15
14
14
13
14
14
15

Feels Like (°C)

18
19
21
22
22
23
24
24
25
25
25
26
25
25
23
22
21
19
15
15
15
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

77
71
67
61
57
54
51
50
50
50
53
61
65
71
77
79
83
86
87
87
87
82
76
72

Pressure (mb)

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

Ozone (du)

341
342
340
340
341
342
343
343
343
343
344
343
344
344
345
346
347
348
348
347
347
345
343
341

Monday 15

New Moon 0%

05:29

22:34

08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 OK
16 Good
17 OK
18 Good
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

Sun - Rise: 04:41, Set: 21:21, Transit: 13:01. Moon - Rise: 05:29, Set: 22:34. Civil Dark: 22:09 - 03:53. Nautical Dark: 23:25 - 02:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

16
9
12
11
10
11
16
19
14
19
15
37
68
100
100
100
100
97
91
84
88
93
97
91

Low Clouds (% Sky Obscured)

6
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
1
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

16
9
12
11
9
6
4
2
5
8
14
22
32
53
81
92
100
80
60
40
35
26
16
33

High Clouds (% Sky Obscured)

16
9
12
9
8
11
16
19
14
19
15
37
68
100
100
100
100
88
72
58
72
85
95
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
7
8
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
3
3
2
3
2
1
1
1
0
1
6
5
17
24
33
35

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

Chance of Frost

Temperature (°C)

17
19
21
22
23
25
25
25
26
25
24
23
22
21
19
19
18
17
17
16
15
15
16
16

Feels Like (°C)

16
16
17
17
18
19
26
25
24
25
25
24
21
21
20
19
19
19
15
16
16
16
15
15

Dew Point (°C)

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

Relative Humidity (%)

66
61
56
52
48
43
43
43
43
46
51
54
55
55
56
58
60
62
64
66
69
72
73
77

Pressure (mb)

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

Ozone (du)

342
343
343
342
341
340
339
338
337
335
333
331
331
330
330
330
330
331
330
328
327
328
328
328

Tuesday 16

Waxing Crescent 3%

06:59

23:18

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

Sun - Rise: 04:41, Set: 21:22, Transit: 13:01. Moon - Rise: 06:59, Set: 23:18. Civil Dark: 22:10 - 03:53. Nautical Dark: 23:26 - 02:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

82
72
73
74
75
74
74
73
69
62
55
60
69
79
77
79
87

Low Clouds (% Sky Obscured)

0
0
8
16
25
36
47
59
54
47
39
32
23
16
12
14
14

Medium Clouds (% Sky Obscured)

50
67
73
74
75
67
53
41
42
47
50
49
57
60
62
68
70

High Clouds (% Sky Obscured)

43
15
15
15
15
15
14
8
32
61
55
60
68
57
69
79
86

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

30
18
16
13
6
24
33
39
33
24
10
10
9
10
9
7
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
9
9
10
12
13
14
16
13
12
10
10
10
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
67
63
64
66
67
64
62
60
62
64
66
68
68
71
75
79

Pressure (mb)

1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010

Ozone (du)

328
329
329
332
334
337
340
342
345
345
345
345
345
345
345
349
352

Forecast for Welwyn Garden City, Hertfordshire, United Kingdom (51.80,-0.21)

Generated: 10/06/26 08:07:12. Forecast: 10/06/26 to 16/06/26. Timezone: UTC+1.00