Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 15

Waning Gibbous 88%

00:11

08:08

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Good
21 Bad
22 Good
23 OK
00 OK
01 OK
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: 05:46, Set: 20:41, Transit: 13:14. Moon - Rise: 00:11, Set: 08:08. Civil Dark: 21:15 - 05:12. Nautical Dark: 21:59 - 04:28. Astro Dark: 22:50 - 03:36

Total Clouds (% Sky Obscured)

99
93
93
87
48
15
7
43
8
17
25
36
70
89
100
100
100
100
100
98
100
85
53
71

Low Clouds (% Sky Obscured)

55
52
28
28
30
13
0
31
0
17
25
36
46
49
50
80
72
68
100
94
100
79
53
71

Medium Clouds (% Sky Obscured)

10
13
17
17
16
2
2
2
3
1
0
0
0
0
0
46
100
100
74
73
63
2
12
0

High Clouds (% Sky Obscured)

75
36
30
5
4
4
7
18
0
0
2
22
24
66
100
100
100
100
100
88
85
73
0
0

ISS Passover

Visibility (miles)

9
9
9
9
7
7
9
9
9
9
9
9
9
9
9
9
9
5
6
8
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
7
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
32
44
35
4
2
0
0
0
0
0
0
0
24
95
95
95
95
55
19
36
48

Precipitation Amount (mm)

0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0.8
0.9
1.1
0.8
0
0
0
0.2

Wind Speed/Direction (mph)

5
4
4
4
5
4
4
4
5
5
5
5
5
5
6
6
6
6
8
7
7
6
5
8

Chance of Frost

Temperature (°C)

22
23
23
23
23
22
20
18
17
16
15
15
14
14
14
14
14
15
15
16
17
18
20
22

Feels Like (°C)

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

Dew Point (°C)

13
14
14
13
15
19
17
16
16
16
15
14
14
14
13
14
14
14
15
15
16
16
14
13

Relative Humidity (%)

58
58
58
53
58
83
86
89
90
95
96
96
98
98
96
98
96
96
98
96
96
89
67
56

Pressure (mb)

1009
1008
1008
1007
1007
1006
1006
1006
1007
1006
1006
1005
1005
1005
1004
1003
1003
1004
1003
1002
1002
1002
1002
1002

Ozone (du)

330
330
329
329
331
330
331
336
340
338
339
337
337
331
329
327
328
327
329
331
333
339
342
341

Friday 16

Waning Gibbous 80%

00:57

09:13

14 Bad
15 OK
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 OK
23 OK
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: 05:45, Set: 20:42, Transit: 13:14. Moon - Rise: 00:57, Set: 09:13. Civil Dark: 21:16 - 05:11. Nautical Dark: 22:00 - 04:26. Astro Dark: 22:52 - 03:34

Total Clouds (% Sky Obscured)

71
6
0
0
0
0
0
0
35
29
53
100
100
100
100
100
100
100
100
100
98
67
100
100

Low Clouds (% Sky Obscured)

67
0
0
0
0
0
0
0
0
0
0
0
0
0
12
25
24
31
72
73
62
37
74
60

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
34
40
66
69
100
100
100
57
57
69
59
71
91

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
35
29
53
100
100
100
100
100
100
34
100
35
30
1
83
73

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

41
12
3
2
0
0
0
0
0
2
0
3
8
51
68
70
70
88
95
95
95
95
95
95

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.3
0.5
1.2
0.5
0.9
0.8
1.6
1.7

Wind Speed/Direction (mph)

11
11
10
10
8
5
3
3
3
5
5
5
6
6
7
7
7
6
7
7
6
7
11
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
19
20
20
20
20
18
17
15
12
12
11
11
12
11
12
12
12
13
14
15
15
16
17

Dew Point (°C)

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

Relative Humidity (%)

59
74
68
51
49
59
75
80
78
75
76
79
77
76
84
93
96
96
95
96
95
83
86
96

Pressure (mb)

1002
1003
1003
1003
1003
1003
1003
1003
1002
1002
1002
1002
1000
999
999
998
998
998
998
997
997
997
997
997

Ozone (du)

339
339
341
348
354
355
357
363
360
356
356
355
351
352
355
358
369
371
376
376
370
371
367
369

Saturday 17

Waning Gibbous 72%

01:33

10:24

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
13 Bad

Sun - Rise: 05:44, Set: 20:43, Transit: 13:14. Moon - Rise: 01:33, Set: 10:24. Civil Dark: 21:17 - 05:09. Nautical Dark: 22:02 - 04:25. Astro Dark: 22:54 - 03:32

Total Clouds (% Sky Obscured)

100
100
98
87
97
99
96
99
96
98
95
96
98
99
100
100
100
100
100
100
100
99
97
89

Low Clouds (% Sky Obscured)

86
77
91
48
67
76
78
72
75
72
74
83
88
97
92
94
100
100
100
100
99
98
95
80

Medium Clouds (% Sky Obscured)

93
100
81
75
74
39
64
89
93
80
63
72
52
40
42
43
41
40
33
26
21
20
20
20

High Clouds (% Sky Obscured)

100
52
19
11
3
38
49
45
9
20
14
5
10
5
82
81
5
57
35
17
0
2
2
9

ISS Passover

Visibility (miles)

1
9
7
6
9
9
9
9
9
9
9
9
1
0
0
0
0
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
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
62
31
17
5
3
8
15
23
23
33
36
50
69
75
68
21
12
9
3
3
2
0

Precipitation Amount (mm)

1.6
1
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
96
95
96
93
96
96
96
96
96
98
96
98
98
98
95
93
93
91
84
71
61

Pressure (mb)

997
997
998
998
999
999
1000
1000
1001
1001
1001
1001
1001
1001
1001
1002
1002
1003
1005
1006
1006
1007
1008
1008

Ozone (du)

371
374
378
380
380
379
377
377
378
377
376
372
370
369
368
369
369
362
360
360
356
356
356
356

Sunday 18

Waning Gibbous 61%

02:02

11:37

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

Sun - Rise: 05:43, Set: 20:44, Transit: 13:14. Moon - Rise: 02:02, Set: 11:37. Civil Dark: 21:19 - 05:08. Nautical Dark: 22:03 - 04:24. Astro Dark: 22:56 - 03:30

Total Clouds (% Sky Obscured)

97
97
96
93
55
52
57
67
70
60
45
30
20
11
2
12
21
26
18
10
4
5
5
9

Low Clouds (% Sky Obscured)

78
72
46
48
45
47
57
67
70
60
45
30
20
11
1
11
21
26
18
10
2
2
3
4

Medium Clouds (% Sky Obscured)

19
20
19
13
7
2
9
16
21
15
8
1
1
0
1
2
0
0
1
0
0
0
0
0

High Clouds (% Sky Obscured)

24
10
10
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
2
2
2
2
3
2
2
2
2
2
2
2
1
1
1
2
1
-2
-2
-3
-4
-4
-4

Relative Humidity (%)

55
52
49
48
49
52
54
57
60
62
68
70
71
72
75
79
80
73
62
53
45
38
34
30

Pressure (mb)

1008
1009
1009
1009
1010
1011
1012
1013
1014
1014
1015
1015
1015
1015
1016
1017
1017
1018
1019
1019
1018
1018
1018
1017

Ozone (du)

354
354
355
357
360
362
364
363
362
361
363
363
364
366
364
358
356
355
354
353
353
353
353
353

Monday 19

Waning Gibbous 50%

02:26

12:52

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

Sun - Rise: 05:42, Set: 20:45, Transit: 13:14. Moon - Rise: 02:26, Set: 12:52. Civil Dark: 21:20 - 05:07. Nautical Dark: 22:05 - 04:22. Astro Dark: 22:58 - 03:28

Total Clouds (% Sky Obscured)

4
2
30
45
13
45
40
45
45
25
3
22
35
23
12
18
19
22
30
34
42
40
38
37

Low Clouds (% Sky Obscured)

3
1
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)

0
0
0
0
0
0
0
1
6
25
3
22
35
23
12
8
5
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
3
5
1
0
5
15
20
20
1
1
0
1
1
1
0
0
3
3
8
12
19
37

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-3
-3
-1
0
2
3
2
2
1
0
-1
0
1
1
0
-1
-1
-2
-3
-4
-4
-4

Relative Humidity (%)

28
27
27
28
34
39
49
57
59
61
63
61
58
61
63
66
59
54
50
42
34
30
27
25

Pressure (mb)

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

Ozone (du)

353
352
352
351
350
350
351
351
352
354
355
360
360
358
356
354
355
356
357
357
357
357
358
358

Tuesday 20

Third Quarter 39%

02:47

No Set

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

Sun - Rise: 05:41, Set: 20:46, Transit: 13:14. Moon - Rise: 02:47, Set: No Set. Civil Dark: 21:21 - 05:06. Nautical Dark: 22:06 - 04:21. Astro Dark: 23:00 - 03:26

Total Clouds (% Sky Obscured)

41
46
45
26
21
22
14
12
17
15
10
2
0
0
0
1
3
4
37
68
98
99
99
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)

4
9
12
8
3
0
0
0
0
0
0
0
0
0
0
0
0
0
27
53
80
80
80
85

High Clouds (% Sky Obscured)

41
46
45
26
21
22
14
12
17
15
10
2
0
0
0
1
3
4
37
60
84
90
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
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)

8
8
8
7
7
6
5
5
5
5
5
5
5
5
5
6
6
7
8
9
10
11
11
11

Chance of Frost

Temperature (°C)

17
18
18
19
18
17
16
14
12
9
8
7
6
6
6
5
7
8
9
11
12
14
15
16

Feels Like (°C)

8
14
14
14
14
15
15
11
10
10
9
8
7
4
4
4
4
4
3
7
7
7
7
7

Dew Point (°C)

-4
-3
-2
-2
0
2
4
4
3
2
1
0
-1
-1
-1
-1
-1
-1
-2
-2
-2
-2
-1
-1

Relative Humidity (%)

23
24
25
25
31
36
44
49
53
59
60
61
61
61
61
62
57
52
46
41
38
34
33
32

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1015
1014
1014
1013

Ozone (du)

359
362
366
369
369
370
370
368
366
364
360
357
354
354
354
354
355
356
356
356
355
355
354
353

Wednesday 21

Waning Crescent 28%

03:07

14:08

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

Sun - Rise: 05:40, Set: 20:47, Transit: 13:14. Moon - Rise: 03:07, Set: 14:08. Civil Dark: 21:22 - 05:05. Nautical Dark: 22:07 - 04:20. Astro Dark: 23:02 - 03:25

Total Clouds (% Sky Obscured)

100
100
99
93
85
78
79
82
88
76
59
39
39
49
58
54
54
54

Low Clouds (% Sky Obscured)

15
30
45
48
51
56
39
21
4
4
4
2
3
3
2
3
3
2

Medium Clouds (% Sky Obscured)

85
70
60
60
60
55
45
25
15
15
10
10
15
20
35
40
45
54

High Clouds (% Sky Obscured)

100
100
99
93
85
78
56
61
80
53
27
0
0
5
5
5
5
5

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
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

Precipitation Amount (mm)

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
12
11
10
8
7
7
6
6
6
6
5
6
6
6
7

Chance of Frost

Temperature (°C)

17
17
17
17
15
14
13
11
10
8
8
7
7
6
6
5
6
7

Feels Like (°C)

8
12
12
11
12
13
14
8
9
9
9
8
8
5
5
5
5
4

Dew Point (°C)

0
1
1
1
2
4
5
5
5
6
6
6
6
5
5
5
4
4

Relative Humidity (%)

33
33
35
35
41
49
58
65
73
84
87
90
93
94
96
96
87
78

Pressure (mb)

1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

352
351
350
348
350
352
354
358
362
366
369
372
374
375
375
376
377
378

Forecast for Glen Echo, Canada (44.94,-79.51)

Generated: 15/05/25 14:33:16. Forecast: 15/05/25 to 21/05/25. Timezone: UTC-4.00