Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 28%

02:02

17:18

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

Sun - Rise: N/A, Set: 19:25, Transit: 13:12. Moon - Rise: 02:02, Set: 17:18. Civil Dark: 19:54 - 06:31. Nautical Dark: 20:29 - 05:56. Astro Dark: 21:05 - 05:20

Total Clouds (% Sky Obscured)

22
29
1
5
9
26
10
32
26
26
13
30
48
44
20
1
0
42
35
31
30
23
27
30

Low Clouds (% Sky Obscured)

0
0
0
0
0
26
10
32
26
26
13
30
38
30
5
0
0
42
35
31
30
23
27
30

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)

7
5
1
4
9
4
0
0
1
2
4
7
48
44
20
1
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)

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

Chance of Frost

Temperature (°C)

10
12
16
19
21
23
24
25
25
26
25
24
22
19
18
17
17
15
15
14
14
13
13
13

Feels Like (°C)

10
13
17
20
22
24
26
26
27
27
27
27
23
19
18
18
18
16
16
15
15
14
14
13

Dew Point (°C)

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

Relative Humidity (%)

85
79
63
53
46
40
35
33
31
30
32
44
56
64
70
72
74
75
71
70
71
72
76
79

Pressure (mb)

1026
1026
1026
1026
1026
1025
1024
1024
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1022
1022

Ozone (du)

281
280
280
280
279
280
280
281
281
282
282
281
280
280
280
280
279
277
277
277
278
279
280
280

Wednesday 17

Waning Crescent 18%

03:17

17:49

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

Sun - Rise: 07:00, Set: 19:23, Transit: 13:12. Moon - Rise: 03:17, Set: 17:49. Civil Dark: 19:52 - 06:32. Nautical Dark: 20:27 - 05:57. Astro Dark: 21:03 - 05:22

Total Clouds (% Sky Obscured)

31
0
0
0
0
3
12
13
16
22
26
24
19
4
2
8
4
5
12
7
33
35
44
57

Low Clouds (% Sky Obscured)

31
0
0
0
0
3
12
13
16
22
26
24
19
4
2
8
0
0
0
0
33
35
44
52

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
1
16
16

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
4
4
12
5
22
6
9
27

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
3
34
100
100
100

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)

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

Chance of Frost

Temperature (°C)

12
13
16
20
22
24
25
26
26
26
25
24
21
19
18
17
17
16
15
15
14
13
14
14

Feels Like (°C)

13
14
17
20
24
25
26
26
26
26
25
25
22
19
18
18
18
18
17
16
15
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

80
74
59
46
38
34
30
28
27
27
30
41
56
62
64
64
65
68
70
71
74
76
78
82

Pressure (mb)

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

Ozone (du)

280
280
280
279
279
279
278
277
278
279
278
278
277
276
276
276
276
276
278
280
278
279
279
278

Thursday 18

Waning Crescent 10%

04:30

18:14

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

Sun - Rise: 07:01, Set: 19:21, Transit: 13:11. Moon - Rise: 04:30, Set: 18:14. Civil Dark: 19:51 - 06:33. Nautical Dark: 20:25 - 05:59. Astro Dark: 21:01 - 05:23

Total Clouds (% Sky Obscured)

23
29
37
97
92
85
51
66
87
81
93
89
91
36
29
34
51
37
23
2
2
3
7
12

Low Clouds (% Sky Obscured)

23
29
37
60
58
42
42
54
85
67
81
64
68
36
29
34
44
37
23
0
0
0
1
1

Medium Clouds (% Sky Obscured)

7
29
0
20
1
0
20
15
27
13
13
18
20
24
21
18
17
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
13
12
70
65
65
1
1
0
0
0
0
0
0
0
0
0
0
0
2
2
3
6
8

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 (%)

100
100
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
1
3
0
4
14
9
11
11
2
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)

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

Chance of Frost

Temperature (°C)

14
15
18
20
21
22
23
23
23
23
22
20
19
17
16
15
15
14
13
12
11
11
10
10

Feels Like (°C)

15
18
19
21
22
22
23
23
22
22
20
19
17
16
17
16
15
14
12
11
11
11
10
10

Dew Point (°C)

12
13
13
14
15
14
14
15
16
16
15
14
13
13
13
13
14
13
9
9
9
9
9
9

Relative Humidity (%)

87
83
72
69
65
59
57
60
65
64
65
65
70
73
83
87
90
92
74
81
87
91
93
93

Pressure (mb)

1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018
1019
1019
1019
1020
1020
1021
1021
1022

Ozone (du)

279
279
280
280
282
283
285
285
286
287
288
289
288
287
286
285
283
282
281
281
281
281
282
282

Friday 19

Waning Crescent 5%

05:40

18:34

07 OK
08 OK
09 Good
10 Good
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 Good
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 07:02, Set: 19:19, Transit: 13:11. Moon - Rise: 05:40, Set: 18:34. Civil Dark: 19:49 - 06:34. Nautical Dark: 20:23 - 06:00. Astro Dark: 20:59 - 05:25

Total Clouds (% Sky Obscured)

27
30
6
6
4
3
2
2
1
1
1
0
0
0
0
0
0
0
0
0
1
0
0
0

Low Clouds (% Sky Obscured)

2
2
2
2
2
1
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

14
16
1
0
0
0
0
0
0
1
1
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
1
2
1
1

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)

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

Chance of Frost

Temperature (°C)

9
9
11
12
14
15
17
18
18
18
18
17
15
13
12
11
10
10
9
8
7
7
6
6

Feels Like (°C)

9
8
8
10
12
14
15
16
17
17
16
15
14
12
11
10
10
9
8
7
6
6
5
5

Dew Point (°C)

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

Relative Humidity (%)

91
80
56
39
32
31
31
31
30
30
31
36
47
57
63
67
68
70
72
75
75
76
76
76

Pressure (mb)

1023
1023
1024
1024
1024
1024
1023
1023
1022
1022
1022
1023
1023
1024
1025
1026
1026
1027
1027
1028
1028
1028
1029
1029

Ozone (du)

281
281
280
280
278
278
277
277
277
277
278
279
279
278
277
277
278
278
278
277
277
279
279
279

Saturday 20

Waning Crescent 1%

06:48

18:52

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

Sun - Rise: 07:04, Set: 19:17, Transit: 13:11. Moon - Rise: 06:48, Set: 18:52. Civil Dark: 19:47 - 06:36. Nautical Dark: 20:21 - 06:01. Astro Dark: 20:56 - 05:26

Total Clouds (% Sky Obscured)

2
4
4
4
3
0
2
42
48
50
30
27
24
30
30
40
45
45
45
40
35
25
43
73

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
11
20
31
25
16
11
9
8
6
9
9

High Clouds (% Sky Obscured)

2
2
2
2
1
0
0
8
20
27
25
22
19
24
25
20
5
5
5
5
5
5
33
67

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
17
28

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)

5
5
6
7
7
6
6
6
6
6
6
5
5
5
6
6
7
7
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

6
6
9
11
13
15
17
18
18
18
18
16
14
12
12
11
10
10
9
9
9
9
9
9

Feels Like (°C)

5
5
6
9
11
13
15
16
14
14
14
13
11
9
8
8
7
7
6
5
4
4
5
5

Dew Point (°C)

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

Relative Humidity (%)

72
64
46
35
28
25
21
19
18
17
18
26
34
35
34
33
33
31
29
28
32
36
41
53

Pressure (mb)

1029
1030
1030
1029
1029
1028
1028
1027
1026
1025
1025
1025
1024
1025
1024
1024
1024
1024
1023
1023
1022
1022
1021
1021

Ozone (du)

279
279
278
278
278
278
277
276
277
278
278
279
279
280
280
279
279
279
278
278
278
278
278
277

Sunday 21

New Moon 0%

No Rise

19:08

07 Bad
08 Bad
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

Sun - Rise: 07:05, Set: 19:16, Transit: 13:10. Moon - Rise: No Rise, Set: 19:08. Civil Dark: 19:45 - 06:37. Nautical Dark: 20:19 - 06:03. Astro Dark: 20:54 - 05:27

Total Clouds (% Sky Obscured)

100
94
88
83
84
85
85
90
94
98
98
99
100
85
70
55
66
79
94
85
75
66
63
64

Low Clouds (% Sky Obscured)

1
1
0
0
7
13
20
34
48
66
52
35
20
19
19
19
15
10
6
13
22
33
40
44

Medium Clouds (% Sky Obscured)

9
10
11
10
23
32
40
60
79
97
87
71
43
37
30
28
33
37
44
41
36
33
34
36

High Clouds (% Sky Obscured)

100
93
87
80
73
66
63
71
81
85
91
95
99
85
70
55
66
75
83
60
43
26
22
17

ISS Passover

Visibility (miles)

6
5
6
8
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

39
46
49
48
34
21
4
27
36
42
34
24
4
19
28
33
35
32
22
26
24
18
27
26

Precipitation Amount (mm)

0
0
0.2
0.2
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
7
8
9
10
9
9
9
8
8
8
8
8
7
7
7
7
7
7
6
5
5
3
4

Chance of Frost

Temperature (°C)

10
10
13
16
19
21
23
24
24
23
22
21
21
19
19
19
18
18
18
18
18
18
18
18

Feels Like (°C)

6
6
8
10
12
13
14
15
25
25
24
23
22
21
18
18
18
18
18
18
18
17
18
18

Dew Point (°C)

4
8
10
12
13
13
13
13
16
18
21
20
19
18
17
17
16
16
16
15
15
15
14
15

Relative Humidity (%)

68
85
79
74
69
62
55
51
62
75
91
91
91
91
89
90
89
88
86
85
83
81
79
82

Pressure (mb)

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

Ozone (du)

276
275
274
272
271
271
270
270
271
273
274
273
273
272
271
270
269
269
270
270
270
270
270
269

Monday 22

Waxing Crescent 1%

07:54

19:24

07 Bad
08 Bad
09 OK
10 OK
11 OK
12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:06, Set: 19:14, Transit: 13:10. Moon - Rise: 07:54, Set: 19:24. Civil Dark: 19:43 - 06:38. Nautical Dark: 20:17 - 06:04. Astro Dark: 20:52 - 05:29

Total Clouds (% Sky Obscured)

64
48
35
21
27
30
34
34
36
37
51
66
82
71
59
47
51
55
60

Low Clouds (% Sky Obscured)

48
39
31
21
27
28
28
34
36
37
42
41
40
31
20
5
6
7
7

Medium Clouds (% Sky Obscured)

38
27
15
4
4
4
3
12
20
29
36
42
50
38
22
8
14
21
30

High Clouds (% Sky Obscured)

14
12
9
3
8
14
17
14
12
10
10
12
12
11
10
11
2
2
5

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
22
18
1
5
5
2
27
34
36
30
23
8
7
5
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
20
23
25
27
28
30
29
28
27
26
25
24
24
23
23
23
22

Feels Like (°C)

18
18
20
20
20
22
24
26
32
30
29
28
27
27
23
23
23
22
22

Dew Point (°C)

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

Relative Humidity (%)

83
85
68
55
43
39
37
34
37
40
44
43
42
41
42
43
44
45
46

Pressure (mb)

1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008

Ozone (du)

268
267
268
268
268
269
270
271
271
271
272
271
271
271
271
271
271
271
271

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

Generated: 16/09/25 06:28:45. Forecast: 16/09/25 to 22/09/25. Timezone: UTC-4.00