Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Crescent 34%

00:18

15:39

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

Sun - Rise: 05:28, Set: 20:25, Transit: 12:56. Moon - Rise: 00:18, Set: 15:39. Civil Dark: 20:59 - 04:55. Nautical Dark: 21:42 - 04:12. Astro Dark: 22:33 - 03:21

Total Clouds (% Sky Obscured)

0
0
0
0
0
29
38
42
35
34
28
2
0
2
70
70
79
30
38
23
1
4
2
32

Low Clouds (% Sky Obscured)

0
0
0
0
0
29
38
42
35
34
28
0
0
0
0
0
0
6
24
13
0
0
0
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)

0
0
0
0
0
0
0
0
0
0
0
2
0
2
66
61
78
22
29
23
1
4
2
32

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
5
4
3
2
2
2
1
1
1
1
1
1
1
2
4
5
6
5
6
8
8
8
6

Chance of Frost

Temperature (°C)

22
19
17
16
14
12
11
11
10
10
10
10
13
18
20
23
25
26
28
29
29
30
29
29

Feels Like (°C)

23
21
18
17
15
14
12
12
12
11
11
12
15
19
22
23
25
25
27
27
28
29
29
30

Dew Point (°C)

12
12
9
9
8
6
6
5
5
5
5
5
7
9
9
9
9
8
7
7
9
11
12
16

Relative Humidity (%)

53
63
62
63
65
66
67
67
68
68
71
73
68
56
49
41
35
30
26
25
27
30
35
45

Pressure (mb)

1018
1019
1019
1020
1020
1021
1021
1021
1021
1020
1020
1021
1021
1021
1020
1019
1019
1018
1017
1016
1015
1015
1014
1014

Ozone (du)

314
315
316
317
317
316
317
318
317
317
316
316
315
315
314
312
312
311
312
313
313
311
310
308

Saturday 19

Waning Crescent 23%

00:52

16:58

19 Good
20 OK
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
15 Bad
16 Bad
17 Bad
18 OK

Sun - Rise: 05:29, Set: 20:24, Transit: 12:56. Moon - Rise: 00:52, Set: 16:58. Civil Dark: 20:58 - 04:56. Nautical Dark: 21:41 - 04:13. Astro Dark: 22:31 - 03:23

Total Clouds (% Sky Obscured)

1
26
49
67
66
100
93
89
87
89
93
96
98
100
100
100
58
77
80
91
65
56
44
21

Low Clouds (% Sky Obscured)

0
0
0
1
14
11
2
10
13
23
33
36
55
66
71
70
27
44
28
29
14
56
24
10

Medium Clouds (% Sky Obscured)

0
1
12
25
21
32
51
45
76
80
84
85
89
77
85
82
30
43
57
69
24
6
18
0

High Clouds (% Sky Obscured)

1
9
18
39
43
100
75
49
29
30
50
64
80
100
100
97
58
70
75
65
65
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
2
2
1
0
0
7
0
3
3
3
4
3
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
Light Rain
Light Rain
None
None
None
Very Light Rain
None
None
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
1
0
1
5
6
29
60
70
50
7
20
54
39
57
70
82
82
95
95
89
35
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0.5
0.2
0
0
0.3
0
0
0.4
0.4
0.3
0.4
1.6
0.3
0
0

Wind Speed/Direction (mph)

4
3
3
4
4
4
4
4
4
4
3
3
3
4
5
4
5
6
6
8
7
10
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

29
28
25
24
23
22
20
19
19
19
19
20
22
23
26
28
30
33
31
30
30
28
26
27

Dew Point (°C)

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

Relative Humidity (%)

64
74
74
77
81
84
86
91
95
98
98
98
100
96
98
92
95
90
90
91
91
91
89
79

Pressure (mb)

1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1011
1011
1011
1010
1010
1009
1008
1008
1008
1007
1008
1007
1007

Ozone (du)

308
307
307
307
306
304
303
303
304
304
303
303
304
305
307
310
311
313
314
314
312
311
312
313

Sunday 20

Waning Crescent 13%

01:35

18:12

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

Sun - Rise: 05:30, Set: 20:24, Transit: 12:56. Moon - Rise: 01:35, Set: 18:12. Civil Dark: 20:57 - 04:57. Nautical Dark: 21:40 - 04:14. Astro Dark: 22:30 - 03:25

Total Clouds (% Sky Obscured)

24
24
29
24
19
20
50
37
43
17
23
23
37
28
16
11
16
13
14
16
14
14
44
25

Low Clouds (% Sky Obscured)

12
16
20
18
14
13
30
22
15
4
16
18
29
22
14
11
16
13
14
16
14
14
42
24

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
13
37
43
17
0
0
0
0
0
0
0
0
0
0
0
0
1
2

High Clouds (% Sky Obscured)

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

10
1
0
0
0
1
7
8
0
0
0
1
1
2
1
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
6
4
3
3
3
3
4
5
4
5
5
6
8
9
10
10
10
10
10
10
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

20
19
19
18
18
17
17
16
17
15
16
15
15
13
10
9
7
5
5
5
4
5
5
6

Relative Humidity (%)

77
83
92
95
96
96
95
95
93
93
96
96
90
78
61
50
41
36
33
33
31
31
33
39

Pressure (mb)

1007
1008
1009
1009
1009
1009
1009
1009
1009
1010
1010
1011
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015

Ozone (du)

315
317
317
318
317
317
315
318
319
321
323
323
323
323
324
325
328
331
332
333
334
334
336
341

Monday 21

Waning Crescent 6%

02:31

No Set

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

Sun - Rise: 05:31, Set: 20:23, Transit: 12:56. Moon - Rise: 02:31, Set: No Set. Civil Dark: 20:56 - 04:58. Nautical Dark: 21:39 - 04:15. Astro Dark: 22:28 - 03:26

Total Clouds (% Sky Obscured)

6
1
1
0
0
0
0
7
16
22
14
7
0
23
47
70
75
94
94
76
58
42
24
10

Low Clouds (% Sky Obscured)

4
0
0
0
0
0
0
1
2
5
3
2
0
2
4
8
8
8
8
6
3
0
0
0

Medium Clouds (% Sky Obscured)

3
1
0
0
0
0
0
0
0
0
0
0
0
13
26
47
61
73
78
65
47
30
20
10

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
18
36
55
38
19
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
1
1
2
1
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
6
6
4
3
3
3
3
2
2
2
2
2
2
4
5
6
6
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

19
17
15
14
12
11
10
10
9
9
8
10
12
15
17
19
21
22
22
23
24
24
24
23

Feels Like (°C)

18
16
14
14
13
12
11
10
9
9
9
10
13
16
18
18
20
22
20
21
22
23
22
23

Dew Point (°C)

8
8
6
7
8
7
7
7
7
7
7
8
9
9
8
6
6
6
6
7
7
8
8
10

Relative Humidity (%)

47
56
54
64
72
76
80
81
85
88
90
90
77
66
53
43
38
37
34
34
34
34
35
42

Pressure (mb)

1016
1017
1018
1018
1019
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020

Ozone (du)

347
348
343
341
341
339
341
343
344
345
348
345
345
345
344
341
339
337
336
335
334
332
332
332

Tuesday 22

Waning Crescent 2%

03:39

19:15

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

Sun - Rise: 05:32, Set: 20:22, Transit: 12:56. Moon - Rise: 03:39, Set: 19:15. Civil Dark: 20:55 - 04:59. Nautical Dark: 21:37 - 04:17. Astro Dark: 22:27 - 03:28

Total Clouds (% Sky Obscured)

1
8
14
20
29
42
56
80
61
58
45
54
47
46
55
54
50
48
51
56
55
50
58
58

Low Clouds (% Sky Obscured)

0
0
0
0
16
32
48
50
52
51
36
17
0
0
0
0
15
30
48
47
43
37
24
12

Medium Clouds (% Sky Obscured)

0
8
14
20
22
18
18
18
18
19
13
7
2
1
1
0
11
23
40
41
31
25
8
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
15
3
2
7
45
47
46
55
54
50
46
32
32
29
31
47
55

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
2
3
3
2
3
3
3
2
2
2
1
1
1
2
3
4
4
4
5
5
6
6
5

Chance of Frost

Temperature (°C)

21
19
17
15
14
13
12
10
10
10
10
11
14
16
19
22
25
26
27
28
28
28
28
27

Feels Like (°C)

23
21
19
17
15
14
12
11
9
11
11
12
13
16
17
18
19
20
21
22
30
29
28
29

Dew Point (°C)

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

Relative Humidity (%)

60
68
67
70
73
75
80
88
90
90
91
88
79
66
56
50
43
39
35
31
33
34
35
45

Pressure (mb)

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

Ozone (du)

332
332
331
326
320
317
315
313
312
311
310
308
307
305
305
305
305
305
304
304
304
304
304
304

Wednesday 23

Waning Crescent 0%

04:54

20:05

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

Sun - Rise: 05:33, Set: 20:21, Transit: 12:56. Moon - Rise: 04:54, Set: 20:05. Civil Dark: 20:54 - 05:00. Nautical Dark: 21:36 - 04:18. Astro Dark: 22:25 - 03:30

Total Clouds (% Sky Obscured)

59
61
64
66
73
81
89
92
96
99
90
77
68
53
45
30
40
56
74
81
88
95
92
88

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
6
12
17
21
23
27
29
31

Medium Clouds (% Sky Obscured)

3
3
2
2
27
53
80
85
90
95
65
34
9
27
23
11
24
42
59
66
73
80
69
57

High Clouds (% Sky Obscured)

59
61
64
66
73
51
42
46
54
77
54
31
2
6
13
19
37
55
70
53
47
44
44
53

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
8

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
1
0
1
0
0
0
0
0
1
1
2
11
12
13
15
14
7
21
27

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

Chance of Frost

Temperature (°C)

26
24
22
21
19
19
19
19
18
18
17
19
20
21
23
25
27
28
29
30
30
31
31
30

Feels Like (°C)

30
30
22
23
23
22
21
21
18
18
17
17
17
17
24
23
23
25
27
28
31
30
30
32

Dew Point (°C)

17
19
18
17
16
16
16
15
15
16
16
16
17
17
16
15
14
15
15
16
17
18
19
21

Relative Humidity (%)

57
73
74
77
81
81
81
81
83
88
90
86
82
79
65
54
44
44
43
42
44
45
48
57

Pressure (mb)

1020
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1019
1019
1018
1017
1017
1016
1015
1014
1013
1012
1011
1011

Ozone (du)

303
303
302
301
301
299
298
297
297
297
297
298
299
300
299
299
299
299
299
299
299
300
300
300

Thursday 24

New Moon 1%

06:11

20:43

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

Sun - Rise: 05:34, Set: 20:20, Transit: 12:56. Moon - Rise: 06:11, Set: 20:43. Civil Dark: 20:53 - 05:01. Nautical Dark: 21:35 - 04:19. Astro Dark: 22:23 - 03:31

Total Clouds (% Sky Obscured)

85
79
73
63
67
66
85
81
68
69
73
76
79
76
76
76
57
28
0

Low Clouds (% Sky Obscured)

32
29
27
31
25
19
11
27
41
52
59
69
76
58
37
15
8
4
0

Medium Clouds (% Sky Obscured)

47
55
60
63
44
26
9
27
32
45
33
29
27
22
19
14
16
9
0

High Clouds (% Sky Obscured)

59
42
27
10
5
10
10
9
22
30
40
38
21
7
3
4
36
28
0

ISS Passover

Visibility (miles)

7
6
7
8
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

Precipitation Type

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

Precipitation Probability (%)

31
42
51
58
51
53
34
30
23
12
20
23
24
22
18
10
20
28
31

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

29
27
26
26
25
24
23
22
22
22
21
22
22
23
25
27
29
30
31

Feels Like (°C)

32
33
26
27
28
27
27
26
24
24
24
24
24
25
27
28
28
29
29

Dew Point (°C)

23
24
24
24
24
23
23
22
21
21
21
21
21
22
21
20
20
18
16

Relative Humidity (%)

70
83
88
92
97
97
98
98
96
96
98
96
95
95
80
67
58
49
41

Pressure (mb)

1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009

Ozone (du)

300
300
302
304
306
305
303
302
302
302
302
303
304
305
307
310
312
314
316

Forecast for Chester, Windsor, United States of America (43.26,-72.60)

Generated: 18/07/25 19:00:07. Forecast: 18/07/25 to 24/07/25. Timezone: UTC-4.00