Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waxing Crescent 9%

08:31

23:47

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 04:41, Set: 21:22, Transit: 13:01. Moon - Rise: 08:31, Set: 23:47. Civil Dark: 22:10 - 03:53. Nautical Dark: 23:27 - 02:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

70
65
96
95
94
93
83
66
61
55
45
48
70
72
89
94
100
100
93
95
94
99
100
100

Low Clouds (% Sky Obscured)

70
65
93
89
89
84
79
60
58
55
45
48
70
70
89
94
100
100
86
94
85
95
39
61

Medium Clouds (% Sky Obscured)

70
13
38
15
12
18
29
22
13
1
0
0
0
3
0
0
0
0
20
0
0
3
31
41

High Clouds (% Sky Obscured)

0
0
0
0
4
10
4
1
7
5
5
12
14
40
24
45
35
34
47
50
81
68
98
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
2
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 (%)

4
8
4
2
2
4
3
1
1
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)

15
16
15
14
12
13
11
10
7
6
6
6
5
5
5
5
6
8
9
9
10
11
12
12

Chance of Frost

Temperature (°C)

21
22
21
21
21
21
21
20
19
19
18
17
17
16
16
16
16
16
16
17
18
19
21
22

Feels Like (°C)

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

Dew Point (°C)

16
17
12
14
15
16
17
17
17
17
17
16
16
16
16
15
15
15
15
15
15
14
14
14

Relative Humidity (%)

73
72
57
62
69
71
79
81
86
92
92
95
96
98
98
98
98
95
92
90
83
72
66
61

Pressure (mb)

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

Ozone (du)

332
332
332
330
330
330
330
331
332
331
332
332
330
328
331
332
332
332
331
331
330
330
331
331

Thursday 18

Waxing Crescent 17%

09:59

00:07

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

Sun - Rise: 04:41, Set: 21:22, Transit: 13:02. Moon - Rise: 09:59, Set: 00:07. Civil Dark: 22:11 - 03:53. Nautical Dark: 23:27 - 02:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

97
94
100
100
100
98
59
53
28
41
29
2
24
27
25
16
28
49
41
38
43
92
74
76

Low Clouds (% Sky Obscured)

31
35
37
47
50
45
47
27
0
0
0
0
0
0
9
0
3
42
37
27
9
25
0
17

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
1
12
11
9
5
8
0
0
0
0
18
8
6

High Clouds (% Sky Obscured)

90
81
100
100
100
96
44
41
17
26
20
0
0
0
0
0
11
27
20
18
31
84
67
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
1
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)

12
12
12
11
11
9
8
7
6
5
4
4
4
3
3
2
2
2
3
4
5
7
7
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
24
25
24
24
25
24
24
23
23
21
21
20
20
19
19
18
19
21
22
23
24
25
28

Dew Point (°C)

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

Relative Humidity (%)

57
49
46
46
46
53
58
66
74
79
80
82
85
86
86
86
86
81
73
64
57
52
50
48

Pressure (mb)

1017
1016
1015
1015
1015
1014
1014
1014
1014
1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012

Ozone (du)

332
332
331
330
329
329
329
329
329
328
326
326
326
325
326
327
328
327
326
327
327
327
327
327

Friday 19

Waxing Crescent 27%

11:22

00:22

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
08 Bad
09 Bad
10 Bad
11 Bad
12 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)

84
88
80
81
66
43
45
85
100
56
79
74
80
86
74
80
97
100
99
98
97
98
95
99

Low Clouds (% Sky Obscured)

27
36
40
26
15
2
7
12
17
17
19
19
33
46
61
56
48
41
39
38
36
37
44
52

Medium Clouds (% Sky Obscured)

12
16
22
59
56
32
41
59
75
56
43
25
30
32
57
24
20
19
22
29
79
73
24
21

High Clouds (% Sky Obscured)

82
88
80
61
36
4
32
68
100
56
37
10
10
15
1
38
73
100
96
94
91
93
83
82

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
13
18
8
5
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

28
28
29
29
28
27
26
24
23
21
20
19
18
17
17
16
16
16
17
18
19
19
21
22

Feels Like (°C)

28
28
28
29
27
26
26
26
22
21
21
19
18
17
16
16
16
16
16
17
18
19
21
22

Dew Point (°C)

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

Relative Humidity (%)

46
43
43
44
48
53
57
63
66
70
76
80
85
90
90
87
87
86
79
73
68
62
62
58

Pressure (mb)

1011
1011
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014
1015
1016
1016
1017
1017
1018
1018
1019

Ozone (du)

327
328
330
330
332
331
329
327
329
331
328
332
334
334
332
332
331
329
328
328
328
328
330
330

Saturday 20

Waxing Crescent 38%

12:40

00:34

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 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 Bad
12 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)

99
98
97
95
95
92
94
97
100
96
91
86
71
57
38
56
79
99
52
49
37
46
69
96

Low Clouds (% Sky Obscured)

53
42
52
48
29
35
22
11
0
0
0
0
0
0
0
0
0
0
5
2
0
0
0
0

Medium Clouds (% Sky Obscured)

26
85
80
82
93
88
88
85
96
81
33
23
19
12
5
7
2
2
2
2
1
1
1
1

High Clouds (% Sky Obscured)

92
82
79
58
38
23
46
73
100
89
79
69
61
56
30
41
74
89
33
36
37
46
69
96

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
0
3
6
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
2
4
5
6
15
5
3
5
13
16
15
13
7
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
8
8
8
6
6
7
5
4
4
4
4
4
4
3
3
4
4
4
3
4
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
15
14
14
13
14
16
17
17
17
17
16
16
15
15
14
15
15
15
15
16
17
17
17

Relative Humidity (%)

57
61
55
56
53
58
66
76
86
90
93
95
95
96
96
98
98
96
92
88
82
77
71
64

Pressure (mb)

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

Ozone (du)

330
330
328
328
328
328
329
329
330
331
332
332
331
330
333
332
327
327
325
324
324
323
322
322

Sunday 21

First Quarter 48%

No Rise

00:46

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 04:42, Set: 21:23, Transit: 13:02. Moon - Rise: No Rise, 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)

97
99
100
97
95
92
95
98
100
100
100
100
95
91
86
90
95
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

3
4
8
6
4
0
14
27
40
47
55
64
64
65
69
68
66
63
60
58
52
57
69
84

High Clouds (% Sky Obscured)

97
99
100
97
95
92
95
98
100
100
100
100
84
68
52
68
83
99
97
94
94
94
94
93

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
2
5
7
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
2
1
1
25
35
43
56
63
72
78
77
74
60
44
7
5
3
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
27
27
27
27
28
28
25
24
23
22
21
20
16
17
17
17
17
17
20
21
21
22
22

Dew Point (°C)

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

Relative Humidity (%)

59
57
55
53
56
59
62
68
74
82
82
84
83
86
90
92
90
92
90
86
83
78
73
68

Pressure (mb)

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

Ozone (du)

321
321
321
321
320
320
320
320
320
319
320
321
322
321
321
320
321
322
324
324
325
326
326
326

Monday 22

Waxing Gibbous 59%

13:56

00:57

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

Sun - Rise: 04:42, Set: 21:23, Transit: 13:02. Moon - Rise: 13:56, 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
99
99
98
97
96
81
64
48
46
43
41
54
61
60
62
75
89
88
82
74
81
89
100

Low Clouds (% Sky Obscured)

9
16
23
22
21
19
21
24
27
32
38
41
48
49
50
55
67
85
83
82
74
81
89
92

Medium Clouds (% Sky Obscured)

76
70
65
72
81
90
73
56
40
27
14
1
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

93
94
97
91
85
79
61
34
10
7
3
0
16
31
46
36
21
4
4
3
3
32
58
80

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
4
2
15
19
12
20
17
4
5
3
0
0
1
2
1
0
0
9
12
12
12
15
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)

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

Chance of Frost

Temperature (°C)

27
27
28
28
27
26
25
23
22
20
19
17
16
15
15
15
15
16
17
18
19
20
21
21

Feels Like (°C)

23
31
30
30
30
31
31
24
23
23
22
22
22
14
14
14
14
14
13
16
16
16
17
18

Dew Point (°C)

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

Relative Humidity (%)

64
61
59
58
64
70
77
78
77
76
82
88
92
92
89
86
85
83
82
78
76
74
75
77

Pressure (mb)

1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019

Ozone (du)

326
328
331
333
333
333
333
336
338
341
346
351
356
360
363
367
364
361
359
348
338
328
326
324

Tuesday 23

Waxing Gibbous 69%

15:10

01:09

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)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 17/06/26 13:59:23. Forecast: 17/06/26 to 23/06/26. Timezone: UTC+1.00