Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waxing Crescent 27%

11:22

00:22

15 Good
16 OK
17 OK
18 OK
19 Good
20 Good
21 Good
22 Good
23 OK
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

Sun - Rise: 04:41, Set: 21:23, Transit: 13:02. Moon - Rise: 11:22, Set: 00:22. Civil Dark: 22:11 - 03:53. Nautical Dark: 23:28 - 02:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

8
15
25
36
9
0
0
0
41
100
100
100
98
90
90
80
70
75
84
95
90
94
95
84

Low Clouds (% Sky Obscured)

8
15
25
6
9
0
0
0
0
12
34
43
53
57
56
63
52
45
76
89
81
87
84
54

Medium Clouds (% Sky Obscured)

8
15
25
2
1
0
0
0
0
0
16
100
98
87
29
20
14
17
17
16
17
14
17
23

High Clouds (% Sky Obscured)

7
3
14
0
0
0
0
0
25
99
100
100
66
0
3
22
12
11
2
10
42
45
45
48

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
0
0
0
0
0
3
0
0
1
3
1
10
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)

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

Chance of Frost

Temperature (°C)

28
28
27
26
24
23
21
20
19
18
17
17
17
17
16
17
17
19
20
21
22
22
22
23

Feels Like (°C)

25
25
25
24
24
23
23
21
20
19
17
16
16
16
16
17
17
18
19
20
21
20
21
22

Dew Point (°C)

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

Relative Humidity (%)

41
41
44
51
59
65
74
80
86
89
92
92
89
92
95
92
88
81
74
68
63
61
60
60

Pressure (mb)

1012
1012
1012
1012
1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1016
1017
1018
1018
1019
1019
1020
1020
1020

Ozone (du)

333
331
332
333
333
333
334
335
336
335
334
333
336
341
340
338
335
334
332
331
331
332
333
334

Saturday 20

Waxing Crescent 38%

12:40

00:34

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 04:41, Set: 21:23, Transit: 13:02. Moon - Rise: 12:40, Set: 00:34. Civil Dark: 22:11 - 03:53. Nautical Dark: 23:28 - 02:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
97
94
96
92
90
67
71
99
84
97
98
82
65
63
74
69
68
81
94
87
100
100

Low Clouds (% Sky Obscured)

44
59
53
33
48
42
45
50
55
56
41
35
35
38
34
24
4
0
11
27
54
50
36
48

Medium Clouds (% Sky Obscured)

75
37
60
41
46
47
46
16
16
38
36
28
25
27
21
31
36
29
30
31
35
2
13
19

High Clouds (% Sky Obscured)

100
100
91
64
87
57
24
50
50
55
50
89
93
35
15
2
2
26
27
50
50
76
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 (%)

3
3
2
1
8
11
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
1
0
2

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)

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

Chance of Frost

Temperature (°C)

24
24
24
23
23
23
22
21
20
19
19
18
17
17
17
17
19
20
21
23
24
25
26
27

Feels Like (°C)

23
24
23
23
23
24
24
22
20
19
18
17
17
17
17
19
20
22
22
23
24
25
25
26

Dew Point (°C)

16
16
15
16
16
17
17
17
17
16
16
16
16
16
16
16
16
16
15
16
15
15
16
17

Relative Humidity (%)

61
60
58
61
62
71
75
77
81
84
86
88
92
93
93
93
85
77
68
62
57
53
52
52

Pressure (mb)

1020
1020
1021
1021
1021
1022
1022
1023
1023
1023
1023
1024
1024
1024
1024
1025
1025
1025
1026
1026
1025
1025
1025
1025

Ozone (du)

334
334
334
333
334
335
337
337
336
337
339
340
341
341
341
339
338
336
337
337
335
334
337
337

Sunday 21

First Quarter 48%

13:56

00:46

15 Bad
16 Bad
17 Bad
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Good
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

Sun - Rise: 04:42, Set: 21:23, Transit: 13:02. Moon - Rise: 13:56, Set: 00:46. Civil Dark: 22:12 - 03:53. Nautical Dark: 23:28 - 02:37. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
99
89
26
100
100
100
62
76
92
15
38
49
48
53
80
71
94
74
58
96
81
89
94

Low Clouds (% Sky Obscured)

46
27
6
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
1
1
6
17
22
23

Medium Clouds (% Sky Obscured)

30
18
0
0
0
0
0
0
0
0
0
0
0
4
0
4
5
23
18
15
25
20
31
34

High Clouds (% Sky Obscured)

100
97
64
20
100
100
99
49
55
85
15
38
49
44
49
80
71
87
59
37
85
33
56
76

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
1
0
0
0
0
0
0
0
0
0
2
4
4
4
3
9
2
5
7
12
6
4
5

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

Chance of Frost

Temperature (°C)

28
27
26
26
25
24
22
20
19
18
17
17
16
16
16
16
18
19
21
23
25
26
27
27

Feels Like (°C)

26
26
25
26
26
23
21
19
19
18
16
17
16
15
15
16
17
19
21
24
25
26
27
27

Dew Point (°C)

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

Relative Humidity (%)

53
54
58
62
66
71
74
77
75
74
78
81
86
87
92
90
86
78
75
72
69
68
64
62

Pressure (mb)

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

Ozone (du)

336
336
336
334
332
332
333
334
333
331
330
329
328
327
327
327
328
327
326
326
328
330
330
327

Monday 22

Waxing Gibbous 59%

No Rise

00:57

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
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
10 OK
11 OK
12 Bad
13 Bad
14 Bad

Sun - Rise: 04:42, Set: 21:23, Transit: 13:03. Moon - Rise: No Rise, Set: 00:57. Civil Dark: 22:12 - 03:54. Nautical Dark: 23:28 - 02:37. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
95
88
84
73
61
45
71
64
60
100
97
95
94
60
44
38
34
29
37
46
55
65
86

Low Clouds (% Sky Obscured)

25
15
6
0
0
0
0
0
0
0
15
31
49
48
44
41
38
34
29
33
32
34
30
26

Medium Clouds (% Sky Obscured)

57
95
88
76
73
58
41
42
17
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
71
35
12
6
1
0
32
64
60
100
97
95
84
55
34
20
10
4
10
22
32
43
77

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
9
9
6
5
7
1
4
4
3
3
2
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)

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

Chance of Frost

Temperature (°C)

27
27
27
26
25
24
22
21
20
19
19
18
18
18
19
19
20
22
24
26
27
28
30
30

Feels Like (°C)

27
28
26
26
26
24
22
21
20
20
20
19
18
18
19
21
23
25
27
28
31
32
33
33

Dew Point (°C)

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

Relative Humidity (%)

59
58
61
61
65
71
76
81
82
82
82
82
82
82
82
78
71
67
62
58
54
49
46
43

Pressure (mb)

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

Ozone (du)

327
327
327
326
324
326
325
323
321
320
320
320
318
318
316
314
312
312
312
313
313
313
313
314

Tuesday 23

Waxing Gibbous 69%

15:10

01:09

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

Sun - Rise: 04:42, Set: 21:23, Transit: 13:03. Moon - Rise: 15:10, Set: 01:09. Civil Dark: 22:12 - 03:54. Nautical Dark: 23:28 - 02:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
82
65
49
35
17
9
14
20
26
28
30
31
28
23
17
22
32
50
67
73
76
69
63

Low Clouds (% Sky Obscured)

21
25
27
32
26
17
6
14
20
26
28
30
31
28
23
17
22
32
50
67
73
76
69
63

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

86
70
42
20
14
5
3
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
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
1
4
3
1
0
0
0
0
7
10
12
9
6
0
8
10

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

Chance of Frost

Temperature (°C)

31
31
31
30
30
28
26
24
23
22
21
20
20
19
19
20
20
21
22
23
24
24
25
25

Feels Like (°C)

32
33
31
31
31
30
29
27
26
25
23
23
23
23
23
24
24
23
24
24
24
25
24
30

Dew Point (°C)

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

Relative Humidity (%)

42
42
44
46
53
60
69
71
70
73
74
74
74
75
75
74
68
64
62
59
56
52
50
51

Pressure (mb)

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

Ozone (du)

314
314
314
312
312
312
312
312
312
313
314
313
311
312
312
312
312
312
312
312
312
312
313
313

Wednesday 24

Waxing Gibbous 78%

16:25

01:24

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

Sun - Rise: 04:43, Set: 21:24, Transit: 13:03. Moon - Rise: 16:25, Set: 01:24. Civil Dark: 22:12 - 03:55. Nautical Dark: 23:28 - 02:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

57
54
51
47
50
51
54
56
60
65
57
43
33
54
71
93
87
74
61
59
58
58
54
49

Low Clouds (% Sky Obscured)

57
54
49
39
41
46
49
52
56
60
53
42
33
37
37
37
43
50
56
52
53
54
48
41

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

1
1
1
1
1
1
0
0
1
1
1
1
1
28
50
70
56
38
27
25
22
19
24
26

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 (%)

8
6
3
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)

8
9
9
9
9
8
7
6
6
5
4
4
4
3
4
4
5
5
5
6
6
6
6
7

Chance of Frost

Temperature (°C)

26
26
26
25
25
24
22
21
20
19
18
17
17
17
17
17
18
19
21
23
24
24
25
26

Feels Like (°C)

30
29
29
29
28
26
26
26
26
25
24
18
19
20
19
19
19
19
19
20
21
21
22
25

Dew Point (°C)

15
15
15
15
15
15
16
16
16
16
16
16
15
16
15
14
14
14
15
15
15
15
15
14

Relative Humidity (%)

51
52
52
53
52
58
65
73
77
81
86
89
89
92
86
82
78
72
67
63
58
55
52
48

Pressure (mb)

1021
1021
1021
1021
1021
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

314
314
315
316
317
317
316
316
316
316
316
316
315
315
314
314
313
312
312
311
311
311
312
312

Thursday 25

Waxing Gibbous 85%

17:39

01:42

15 OK
16 OK
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 Bad
09 Bad
10 Bad
11 OK
12 OK

Sun - Rise: 04:43, Set: 21:24, Transit: 13:03. Moon - Rise: 17:39, Set: 01:42. Civil Dark: 22:12 - 03:55. Nautical Dark: 23:28 - 02:39. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

42
37
31
25
28
35
40
34
27
21
18
21
35
41
37
30
45
52
50
45
35
20

Low Clouds (% Sky Obscured)

35
29
24
17
11
5
0
0
0
0
1
1
2
2
2
3
2
1
0
0
0
0

Medium Clouds (% Sky Obscured)

0
1
2
2
3
4
4
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

24
17
11
5
4
2
2
8
14
21
18
19
16
8
4
3
6
8
10
10
15
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
26
25
24
23
21
19
17
16
15
14
13
12
12
13
14
15
17
19
21
22
23

Feels Like (°C)

25
25
25
26
27
21
20
19
18
17
16
10
10
10
10
9
9
14
14
14
14
15

Dew Point (°C)

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

Relative Humidity (%)

44
41
43
47
50
55
60
67
72
75
78
83
87
92
87
84
82
68
58
49
44
40

Pressure (mb)

1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024

Ozone (du)

312
312
312
312
312
312
312
311
312
312
313
312
312
311
311
311
311
311
312
312
313
314

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

Generated: 19/06/26 15:24:40. Forecast: 19/06/26 to 25/06/26. Timezone: UTC+1.00