Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waning Crescent 23%

00:38

16:05

09 Good
10 Good
11 Good
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
08 Bad

Sun - Rise: 04:54, Set: 21:18, Transit: 13:06. Moon - Rise: 00:38, Set: 16:05. Civil Dark: 22:04 - 04:08. Nautical Dark: 23:14 - 02:59. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

1
2
17
66
74
84
94
90
95
100
95
90
99
100
100
100
100
100
100
92
79
58
63
75

Low Clouds (% Sky Obscured)

0
0
0
5
19
0
0
0
0
0
0
7
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
27
28
28
23
24
29
33
23
12
14
23
24
24
27
27
23
25
31
34

High Clouds (% Sky Obscured)

1
2
17
58
60
69
88
78
92
100
89
79
98
100
100
100
99
100
100
85
72
52
55
63

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
4
5
5
5
5
4
3
5
10
9
7
6
7
7
7
6
6
6
5
5
6
7

Chance of Frost

Temperature (°C)

25
27
30
31
32
33
34
34
34
33
33
31
29
27
26
25
24
23
22
22
21
21
22
23

Feels Like (°C)

27
29
30
33
33
33
32
33
33
32
30
29
28
26
25
24
22
22
21
21
20
20
21
22

Dew Point (°C)

12
12
13
13
12
12
11
10
10
10
15
19
19
18
18
17
16
15
15
15
14
13
14
14

Relative Humidity (%)

45
39
35
31
29
26
24
23
22
24
35
46
53
59
62
62
60
61
62
64
63
63
61
55

Pressure (mb)

1018
1018
1018
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

325
324
324
324
325
326
327
328
328
327
327
327
327
328
328
329
329
328
330
331
332
332
332
332

Friday 10

Waning Crescent 23%

01:08

17:35

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

Sun - Rise: 04:55, Set: 21:17, Transit: 13:06. Moon - Rise: 01:08, Set: 17:35. Civil Dark: 22:03 - 04:10. Nautical Dark: 23:12 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

70
59
32
28
26
56
70
72
58
56
47
22
7
8
13
5
4
3
3
3
3
0
0
0

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
0
0
0

Medium Clouds (% Sky Obscured)

29
58
32
28
11
3
27
37
17
20
20
2
2
5
10
1
2
2
2
3
2
0
0
0

High Clouds (% Sky Obscured)

57
46
17
16
15
42
47
62
58
56
47
22
7
5
3
5
2
2
2
0
1
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
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)

7
8
9
9
10
11
12
13
13
13
14
12
11
10
9
7
6
6
6
6
7
7
9
10

Chance of Frost

Temperature (°C)

25
27
29
30
31
31
31
31
30
29
28
26
24
22
21
20
19
18
17
17
16
17
18
20

Feels Like (°C)

24
26
27
29
30
31
30
29
28
26
25
23
21
20
19
20
19
18
17
17
16
17
18
20

Dew Point (°C)

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

Relative Humidity (%)

48
41
36
33
32
31
30
31
31
33
35
37
44
49
55
63
70
76
79
83
87
83
73
62

Pressure (mb)

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

Ozone (du)

332
331
331
332
332
331
330
331
333
331
329
329
330
330
330
329
330
330
329
329
330
331
332
333

Saturday 11

Waning Crescent 14%

01:53

19:02

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

Sun - Rise: 04:57, Set: 21:16, Transit: 13:06. Moon - Rise: 01:53, Set: 19:02. Civil Dark: 22:02 - 04:11. Nautical Dark: 23:11 - 03:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
3
14
27
27
26
24
2
0
0
0
0
0
9
53
77
70
64
47
46
31
27
52

Low Clouds (% Sky Obscured)

0
0
0
0
8
26
26
24
2
0
0
0
0
0
9
53
76
70
56
47
46
31
26
20

Medium Clouds (% Sky Obscured)

0
0
2
10
12
2
0
0
0
0
0
0
0
0
0
0
9
14
19
8
15
6
6
2

High 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
2
24

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
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)

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

Chance of Frost

Temperature (°C)

23
25
27
28
29
30
31
31
30
29
28
26
24
21
19
17
16
16
16
15
15
16
17
19

Feels Like (°C)

22
24
25
26
28
28
28
28
27
26
24
23
22
20
18
17
15
14
14
14
14
14
16
17

Dew Point (°C)

12
12
11
9
10
11
11
10
10
11
11
12
14
14
16
16
16
15
15
15
15
14
13
12

Relative Humidity (%)

52
44
36
30
30
30
29
28
28
31
35
43
53
64
78
92
96
93
95
96
95
90
79
62

Pressure (mb)

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

Ozone (du)

333
333
334
336
334
331
329
328
327
328
328
329
328
327
326
325
323
322
322
322
322
323
323
323

Sunday 12

Waning Crescent 6%

02:59

20:16

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

Sun - Rise: 04:58, Set: 21:16, Transit: 13:06. Moon - Rise: 02:59, Set: 20:16. Civil Dark: 22:01 - 04:12. Nautical Dark: 23:09 - 03:05. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

30
63
25
27
68
84
84
58
46
2
1
1
1
0
2
2
2
5
21
29
46
66
65
64

Low Clouds (% Sky Obscured)

12
13
15
15
19
21
23
17
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
6
12
15
13
11
9
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

High Clouds (% Sky Obscured)

12
26
3
3
27
35
35
20
20
0
1
1
0
0
2
2
2
5
19
29
46
66
65
64

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)

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

Chance of Frost

Temperature (°C)

21
23
25
27
29
29
29
29
28
27
26
24
22
20
18
17
16
15
14
14
14
14
15
17

Feels Like (°C)

18
19
20
23
25
24
24
24
23
22
22
20
18
16
16
15
14
13
12
11
12
12
13
15

Dew Point (°C)

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

Relative Humidity (%)

51
42
36
31
29
28
27
28
29
31
34
37
44
52
60
70
80
87
90
90
93
89
79
72

Pressure (mb)

1025
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024

Ozone (du)

323
322
322
321
320
320
320
319
319
320
319
319
319
318
317
317
316
317
319
322
321
321
321
320

Monday 13

Waning Crescent 2%

04:23

21:09

09 Bad
10 Bad
11 OK
12 OK
13 Good
14 OK
15 OK
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

Sun - Rise: 04:59, Set: 21:15, Transit: 13:06. Moon - Rise: 04:23, Set: 21:09. Civil Dark: 22:00 - 04:14. Nautical Dark: 23:07 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

61
65
39
17
6
30
43
67
84
100
100
100
100
100
100
100
100
100
100
96
93
87
90
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
5
11
14
24
29
33
35
33
31
31
34
32
23
13

Medium Clouds (% Sky Obscured)

2
2
2
0
1
3
4
15
27
34
36
42
40
65
50
70
74
79
85
74
65
55
57
59

High Clouds (% Sky Obscured)

61
63
38
12
4
30
43
67
84
100
100
100
100
100
100
100
100
100
100
84
67
51
65
79

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
51
45
38
31
27
26
28
32
37
42
50
58
64
72
79
86
86
87
87
86
83
81
67

Pressure (mb)

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

Ozone (du)

320
319
318
318
319
321
320
317
318
318
317
317
317
317
317
317
318
321
323
326
327
327
328
326

Tuesday 14

New Moon 0%

05:57

21:45

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
08 Bad

Sun - Rise: 05:00, Set: 21:14, Transit: 13:06. Moon - Rise: 05:57, Set: 21:45. Civil Dark: 21:59 - 04:15. Nautical Dark: 23:05 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
97
93
90
89
87
86
90
95
100
82
64
49
65
81
97
98
98
99
90
83

Low Clouds (% Sky Obscured)

5
3
1
0
0
0
0
0
0
0
0
0
0
6
12
18
21
22
20
23
29
38
39
40

Medium Clouds (% Sky Obscured)

61
48
36
27
27
26
23
29
34
38
37
37
37
33
34
40
56
70
80
80
75
75
76
77

High Clouds (% Sky Obscured)

97
99
100
100
92
84
76
75
75
72
80
89
100
82
64
49
65
81
97
98
98
99
90
83

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
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
8
10
11
20
25
28
35
41
49
44
41
36
37
32
25
29
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
23
24
26
28
29
29
30
29
28
27
25
23
21
20
19
18
17
17
17
17
18
18
20

Feels Like (°C)

16
16
17
18
19
27
25
25
25
25
25
23
23
22
22
20
19
15
16
17
16
16
16
19

Dew Point (°C)

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

Relative Humidity (%)

55
45
37
30
25
24
23
22
25
28
32
42
55
71
76
82
88
89
89
89
88
86
83
76

Pressure (mb)

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

Ozone (du)

325
323
323
323
323
323
323
324
323
323
322
323
324
325
325
325
326
326
327
328
327
327
326
327

Wednesday 15

Waxing Crescent 2%

07:29

22:09

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

Sun - Rise: 05:01, Set: 21:13, Transit: 13:06. Moon - Rise: 07:29, Set: 22:09. Civil Dark: 21:58 - 04:17. Nautical Dark: 23:03 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

75
67
62
54
47
39
33
32
16
5
5
0
5
10
19
32
42
51
60
62
64
66

Low Clouds (% Sky Obscured)

39
28
17
6
5
6
5
4
3
3
2
0
1
5
13
19
26
29
33
36
30
27

Medium Clouds (% Sky Obscured)

75
60
37
14
11
8
5
31
16
5
5
0
5
10
19
32
39
29
19
20
21
20

High Clouds (% Sky Obscured)

75
67
62
54
47
38
30
32
16
5
5
0
5
9
5
5
14
18
23
16
10
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

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 (%)

14
16
11
0
4
4
4
5
7
8
12
13
10
16
15
7
15
14
9
8
6
3

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)

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

Chance of Frost

Temperature (°C)

22
24
26
29
31
31
31
32
31
31
30
28
26
24
22
20
18
17
16
16
16
16

Feels Like (°C)

21
22
22
22
22
33
31
29
30
30
30
28
27
26
26
25
24
15
15
15
14
13

Dew Point (°C)

17
17
15
14
12
11
10
9
9
9
9
10
11
11
12
13
14
14
14
15
14
13

Relative Humidity (%)

69
62
50
40
32
29
27
25
25
25
26
32
38
45
54
65
77
82
87
93
87
82

Pressure (mb)

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

Ozone (du)

329
330
330
330
331
331
331
330
330
330
330
331
331
332
331
329
328
331
333
335
335
334

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

Generated: 09/07/26 09:12:35. Forecast: 09/07/26 to 15/07/26. Timezone: UTC+1.00