Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 11

Waning Crescent 6%

01:53

19:02

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

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)

7
8
13
22
24
21
0
0
0
0
15
21
35
62
66
63
55
50
19
9
0
5
4
19

Low Clouds (% Sky Obscured)

7
8
13
22
24
21
0
0
0
0
15
21
35
62
66
60
50
43
14
7
0
4
3
19

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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
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
11
12
13
13
14
13
13
11
11
11
10
11
11
11
11
11
12
13
14
14
16
16

Chance of Frost

Temperature (°C)

28
29
29
30
29
28
27
25
23
21
19
18
17
16
16
16
16
16
17
19
22
25
27
28

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

27
26
26
27
29
32
34
39
46
57
70
82
92
96
96
95
95
92
82
68
57
50
41
36

Pressure (mb)

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

Ozone (du)

334
332
331
331
331
329
328
327
327
324
322
321
320
319
318
318
318
317
316
316
318
319
319
321

Sunday 12

Waning Crescent 2%

02:59

20:16

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

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)

17
13
7
12
32
28
20
25
50
30
57
49
35
54
65
37
59
80
85
88
80
72
66
27

Low Clouds (% Sky Obscured)

17
13
0
0
0
0
0
0
0
0
0
0
0
31
42
37
59
76
81
85
47
20
19
23

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)

0
2
7
12
32
28
20
25
50
30
57
49
35
28
31
7
3
1
6
55
60
60
55
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
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)

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

Chance of Frost

Temperature (°C)

29
29
29
29
28
27
26
24
21
19
18
16
15
14
14
13
13
13
15
17
18
20
23
25

Feels Like (°C)

26
26
26
25
24
22
21
19
17
15
14
12
11
11
11
11
12
12
11
13
15
17
20
21

Dew Point (°C)

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

Relative Humidity (%)

33
30
29
29
30
33
37
43
52
58
64
68
73
78
84
90
95
96
87
81
72
60
52
43

Pressure (mb)

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

Ozone (du)

322
322
322
321
320
319
319
318
318
318
317
316
316
316
315
314
316
318
319
320
322
322
322
322

Monday 13

Waning Crescent 1%

04:23

21:09

13 OK
14 OK
15 Bad
16 OK
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 OK
08 OK
09 Bad
10 Bad
11 Bad
12 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)

26
21
45
42
55
61
63
65
71
78
100
95
100
100
100
74
69
71
40
29
79
76
59
44

Low Clouds (% Sky Obscured)

25
21
17
9
19
28
23
26
26
36
46
52
60
70
78
58
68
70
38
27
16
18
20
20

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
38
34
82
68
62
57
60
28
29
24
21
13
9
5

High Clouds (% Sky Obscured)

5
2
35
30
30
30
35
35
40
55
100
93
100
100
99
43
25
18
12
6
35
29
18
13

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
2
2
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
1
4
1
2
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
15
15
17
16
16
16
15
15
14
13
14
12
11
12
12
12
11
12
13
14
14
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
24
25
23
24
22
21
20
18
16
15
14
15
14
14
14
15
15
16
19
21
21
22
23

Dew Point (°C)

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

Relative Humidity (%)

36
32
30
31
34
36
40
49
60
70
78
87
95
95
95
96
95
95
86
71
57
45
35
29

Pressure (mb)

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

Ozone (du)

324
323
322
322
322
322
322
320
318
320
321
323
323
324
325
326
325
323
321
319
318
318
318
320

Tuesday 14

New Moon 0%

05:57

21:45

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 OK

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)

86
94
100
78
93
91
83
77
62
63
71
81
83
88
92
95
97
100
94
88
82
64
47
35

Low Clouds (% Sky Obscured)

22
22
21
24
24
24
18
10
3
15
28
38
43
47
52
52
52
52
41
26
12
10
6
2

Medium Clouds (% Sky Obscured)

4
2
0
0
0
0
0
3
47
60
48
29
6
21
26
58
76
94
90
86
81
46
47
35

High Clouds (% Sky Obscured)

56
78
100
74
71
60
54
47
41
42
44
45
41
42
43
62
80
100
73
43
20
21
27
29

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
5
18
14
7
19
24
30
22
12
6
4
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
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

28
28
29
29
28
28
27
25
23
21
20
19
18
17
17
17
18
18
18
20
22
24
26
28

Feels Like (°C)

25
24
24
25
25
23
23
22
20
18
17
16
16
16
16
15
16
17
18
19
20
21
22
25

Dew Point (°C)

7
6
7
7
8
8
8
11
12
13
14
14
14
14
14
14
13
14
14
15
15
12
10
10

Relative Humidity (%)

26
24
24
25
27
28
31
40
50
57
67
75
78
82
83
82
74
76
76
75
67
47
35
33

Pressure (mb)

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

Ozone (du)

319
321
321
321
321
323
323
323
323
322
322
323
324
324
325
327
326
327
325
323
323
324
325
324

Wednesday 15

Waxing Crescent 2%

07:29

22:09

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: 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)

57
80
100
100
55
55
55
55
55
52
48
49
51
52
52
55
57
60
72
83
95
90
86
81

Low Clouds (% Sky Obscured)

10
18
26
26
21
19
12
6
0
0
0
0
0
0
0
6
13
18
18
16
14
12
10
9

Medium Clouds (% Sky Obscured)

44
45
36
34
36
32
31
33
30
31
32
33
33
35
30
31
27
25
22
17
14
11
10
7

High Clouds (% Sky Obscured)

57
80
100
100
35
35
35
40
50
37
22
9
9
10
9
10
13
16
41
67
94
82
68
53

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
7

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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

6
7
9
15
21
29
24
30
3
4
3
1
4
6
3
16
25
29
35
36
36
52
62
67

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

26
27
28
29
28
29
28
26
26
25
24
23
21
21
21
20
19
19
18
21
22
22
24
25

Dew Point (°C)

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

Relative Humidity (%)

35
31
28
28
27
28
34
35
46
52
56
62
67
69
73
75
69
65
59
54
49
46
47
48

Pressure (mb)

1018
1017
1017
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016

Ozone (du)

327
330
332
336
338
335
334
331
330
331
332
330
329
330
330
330
331
331
331
331
331
330
330
330

Thursday 16

Waxing Crescent 7%

08:57

22:27

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: 05:03, Set: 21:12, Transit: 13:06. Moon - Rise: 08:57, Set: 22:27. Civil Dark: 21:56 - 04:18. Nautical Dark: 23:01 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

87
93
100
92
84
76
84
92
100
100
100
100
100
100
100
86
74
64
68
72
73
74
79
81

Low Clouds (% Sky Obscured)

5
3
0
0
1
1
1
1
0
4
9
13
17
18
17
15
16
20
18
18
20
25
30
35

Medium Clouds (% Sky Obscured)

13
17
22
13
6
1
1
1
1
1
1
2
16
34
50
55
50
55
60
65
70
74
79
81

High Clouds (% Sky Obscured)

69
84
100
90
80
74
83
92
100
100
100
100
100
100
100
86
74
64
68
72
73
74
79
81

ISS Passover

Visibility (miles)

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

Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

70
75
84
77
64
51
54
59
68
63
58
56
53
54
55
53
43
13
20
19
10
18
20
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

29
27
26
25
26
26
26
25
23
21
21
20
19
19
18
18
18
19
19
21
22
23
24
26

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
47
45
43
45
47
49
57
66
77
80
82
85
86
88
90
88
86
85
80
75
71
63
58

Pressure (mb)

1016
1016
1016
1016
1015
1015
1014
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1014
1013
1013

Ozone (du)

330
330
331
331
332
333
334
331
328
326
325
325
324
325
326
326
328
329
331
330
329
328
328
328

Friday 17

Waxing Crescent 14%

10:20

22:40

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

Sun - Rise: 05:04, Set: 21:11, Transit: 13:07. Moon - Rise: 10:20, Set: 22:40. Civil Dark: 21:55 - 04:20. Nautical Dark: 22:59 - 03:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
91
100
100
100
100
100
100
100
100
100
100
100
100
100
89
78
67

Low Clouds (% Sky Obscured)

47
58
69
53
36
20
25
26
26
30
34
35
42
50
57
61
68
67

Medium Clouds (% Sky Obscured)

85
91
98
91
79
70
63
60
54
57
56
54
40
26
12
11
10
10

High Clouds (% Sky Obscured)

85
91
100
100
100
100
99
99
99
100
100
100
100
100
100
74
48
22

ISS Passover

Visibility (miles)

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

Precipitation Type

None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

38
49
52
51
52
54
57
59
59
55
50
25
27
29
20
34
45
55

Precipitation Amount (mm)

0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
28
27
25
24
24
24
22
22
21
20
20
19
17
17
17
17
18

Dew Point (°C)

16
16
16
16
15
15
15
15
16
16
16
16
16
16
16
16
16
16

Relative Humidity (%)

52
54
55
58
57
58
57
64
74
84
86
89
92
93
95
95
92
88

Pressure (mb)

1013
1013
1012
1012
1012
1012
1011
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011

Ozone (du)

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

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

Generated: 11/07/26 13:20:08. Forecast: 11/07/26 to 17/07/26. Timezone: UTC+1.00