Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 10

Waning Crescent 14%

01:08

17:35

10 Good
11 OK
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 OK
05 OK
06 Good
07 Good
08 Good
09 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)

12
27
33
54
79
80
76
84
100
77
49
63
68
70
77
80
76
67
48
24
4
4
9
4

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)

2
2
16
1
0
34
65
44
53
55
48
60
66
49
49
48
66
67
48
24
2
2
2
2

High Clouds (% Sky Obscured)

12
27
33
54
71
69
69
74
100
70
3
5
7
36
48
60
50
3
3
2
3
3
7
4

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
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
38
36
32
31
29
29
29
30
33
38
46
54
61
68
73
78
81
85
90
87
73
61
51

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1021
1021
1021
1021
1022

Ozone (du)

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

Saturday 11

Waning Crescent 14%

01:53

19:02

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

6
3
18
23
23
32
29
17
6
3
0
2
5
19
21
41
52
59
51
44
43
14
9
16

Low Clouds (% Sky Obscured)

0
0
18
23
23
32
29
17
6
3
0
0
3
19
21
41
52
59
51
44
43
14
9
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
16

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

Chance of Frost

Temperature (°C)

24
26
28
29
30
30
30
30
29
27
25
22
20
18
17
16
15
15
15
15
16
17
19
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
34
29
26
24
24
25
27
29
31
42
54
65
77
89
95
95
95
95
95
92
81
65
52

Pressure (mb)

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

Ozone (du)

331
331
332
331
330
329
329
327
327
326
326
327
326
324
322
320
319
318
318
319
318
317
316
317

Sunday 12

Waning Crescent 6%

02:59

20:16

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

17
8
9
12
12
3
4
4
4
5
1
1
2
3
3
1
13
36
51
62
63
68
72
77

Low Clouds (% Sky Obscured)

0
4
5
12
12
0
0
0
0
0
0
0
0
0
0
0
5
19
29
40
45
50
45
0

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)

13
4
4
1
0
3
3
3
3
3
0
1
2
3
2
1
2
3
7
7
8
15
21
62

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
0
1
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
1
10
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
16
17
17
17
18
18
18
18
16
16
14
13
13
14
12
12
11
11
12
12
13
13

Chance of Frost

Temperature (°C)

24
27
29
30
30
30
30
29
28
27
25
22
20
19
17
17
16
15
15
15
15
16
18
20

Feels Like (°C)

21
23
26
26
27
26
26
26
24
23
21
18
17
16
15
14
14
13
13
12
12
13
15
17

Dew Point (°C)

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

Relative Humidity (%)

43
37
33
30
29
28
29
30
33
36
39
42
49
64
77
89
95
95
96
95
89
85
80
66

Pressure (mb)

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

Ozone (du)

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

Monday 13

Waning Crescent 2%

04:23

21:09

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

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)

73
72
71
14
11
7
55
74
79
83
88
100
100
92
100
100
100
100
100
100
98
100
96
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
12
24
34
37
41
48
51
55
52
34
17
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
5
10
18
16
17
17
28
38
47
38
30
23
23
22
23

High Clouds (% Sky Obscured)

58
57
56
14
11
5
30
43
49
66
81
100
100
92
100
100
100
100
98
95
90
94
94
98

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
1
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

23
24
26
28
28
29
29
28
27
25
24
22
20
19
18
17
16
16
16
16
17
18
20
22

Feels Like (°C)

20
21
22
23
25
25
26
24
22
21
20
18
16
15
15
14
14
14
14
14
15
15
17
19

Dew Point (°C)

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

Relative Humidity (%)

56
46
36
30
28
27
29
30
33
38
43
52
61
73
81
86
93
93
93
95
90
76
59
47

Pressure (mb)

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

Ozone (du)

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

Tuesday 14

New Moon 0%

05:57

21:45

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 OK
05 OK
06 OK
07 Bad
08 Bad
09 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
82
76
66
68
32
57
78
89
100
74
71
100
79
56
31
29
22
24
52
75
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
0
0
0

Medium Clouds (% Sky Obscured)

20
19
16
23
30
35
32
31
26
16
8
0
9
16
24
26
28
31
29
22
24
26
26
23

High Clouds (% Sky Obscured)

100
100
100
74
72
66
67
15
54
78
88
100
69
69
100
74
47
18
17
18
20
47
73
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 (%)

6
6
0
2
2
0
1
1
0
1
1
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
13
14
15
15
15
15
15
15
14
13
12
11
11
11
10
10
10
9
10
10
10
12
14

Chance of Frost

Temperature (°C)

24
26
27
29
29
29
30
29
28
27
26
24
22
20
19
18
17
16
16
16
17
17
20
23

Feels Like (°C)

20
22
23
24
25
24
24
24
24
22
21
19
18
18
17
15
14
15
14
13
12
11
17
18

Dew Point (°C)

10
8
8
9
8
6
5
4
3
4
6
8
11
13
14
14
14
14
14
13
12
12
12
11

Relative Humidity (%)

40
32
29
29
26
23
20
19
20
22
28
35
49
65
73
78
81
85
87
81
75
72
59
48

Pressure (mb)

1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

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

Wednesday 15

Waxing Crescent 2%

07:29

22:09

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
09 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)

93
86
79
81
85
88
80
70
61
61
62
62
74
82
85
85
85
81
81
80
83
89
95
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
0
0
0

Medium Clouds (% Sky Obscured)

43
62
79
77
73
70
64
60
54
44
31
20
32
41
45
37
31
28
24
26
23
35
48
59

High Clouds (% Sky Obscured)

85
68
52
58
65
71
47
24
3
17
25
27
28
22
26
17
12
13
33
63
83
89
95
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 (%)

0
0
0
0
0
0
0
0
0
0
1
1
8
12
10
12
9
3
4
6
3
4
5
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)

16
17
17
18
17
17
17
16
15
14
13
12
11
10
8
7
7
8
8
8
9
9
11
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

39
36
33
29
28
25
24
24
24
24
30
37
46
52
59
66
72
76
81
75
69
64
52
43

Pressure (mb)

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

Ozone (du)

323
323
324
325
326
327
328
328
328
328
329
330
331
330
329
328
327
326
325
324
323
323
322
321

Thursday 16

Waxing Crescent 7%

08:57

22:27

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

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)

100
100
100
100
100
100
99
99
99
97
98
94
85
73
63
76
88
100
100
100
100

Low Clouds (% Sky Obscured)

0
1
1
11
19
28
31
34
37
19
11
4
7
8
10
8
8
6
21
28
31

Medium Clouds (% Sky Obscured)

48
46
43
62
80
100
95
90
85
69
53
37
29
24
18
32
43
48
48
40
40

High Clouds (% Sky Obscured)

100
100
100
100
100
100
90
79
71
61
61
63
74
69
62
74
84
92
95
97
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

Fog (%)

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

Precipitation Probability (%)

6
8
5
7
6
2
12
9
12
12
11
8
13
9
6
7
5
0
7
9
6

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

26
27
28
29
28
27
26
27
27
27
25
23
20
20
20
19
19
18
18
18
17

Feels Like (°C)

19
20
22
23
26
25
24
24
23
22
24
22
22
20
19
18
16
16
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

35
33
30
28
30
32
34
32
30
28
36
46
59
59
61
62
64
65
67
68
68

Pressure (mb)

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

Ozone (du)

320
318
315
313
316
318
321
323
325
327
326
325
324
324
324
324
323
322
321
322
323

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

Generated: 10/07/26 10:34:46. Forecast: 10/07/26 to 16/07/26. Timezone: UTC+1.00